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HyperX Pulsefire Haste 2 Pro 4K Wireless vs HyperX Pulsefire Fuse Wireless

Real specs. Clear sources.Exact models · UK & US buying links

Compared products

YOUR FIRST CHOICE

HyperX Pulsefire Haste 2 Pro 4K Wireless

Slate Grey · A1KY5AA · global manufacturer configuration

Full product profile Official image

Exact model & source notes

The Pulsefire Haste 2 Pro 4K Wireless (A1KY5AA) is HyperX's symmetrical 61 g wireless mouse with a 4000 Hz report rate in 2.4 GHz mode from the supplied receiver, the HyperX 26K sensor, optical main switches, and Bluetooth and wired USB-C modes.

Specifications checked 27 Sept 2026.

Amazon links open search results. Check the exact variant, current price and availability with the retailer.

Manufacturer specifications

WHAT DIFFERS

Sensor model / typeHyperX 26K SensorPixart PAW3311

Main switch technologyHyperX Optical SwitchesKailh

4,000 HzMaximum wireless report rate1,000 Hz

3 of 10 verified differences, in the order listed below. Not a rating.

See the 10 verified differences

THE CONTENDER

HyperX Pulsefire Fuse Wireless

Black · A1KY6AA · global manufacturer configuration

Full product profile Official image

Exact model & source notes

The Pulsefire Fuse Wireless (A1KY6AA) is HyperX's AAA-powered symmetrical mouse: 75 g with its battery, a Pixart PAW3311 sensor up to 12,000 DPI, 2.4 GHz and Bluetooth connections, and a rated 85 hours from one AAA alkaline cell.

Specifications checked 28 Sept 2026.

Amazon links open search results. Check the exact variant, current price and availability with the retailer.

Manufacturer specifications

Pulsefire Haste 2 Pro 4K Wireless UK & US retailers

UK & US price history: no verified listing yet

Pulsefire Fuse Wireless UK & US retailers

UK & US price history: no verified listing yet

Search links open retailer results, not a matched listing; eBay listings are checked daily. As an Amazon Associate I earn from qualifying purchases. As an eBay Partner, we may be compensated if you make a purchase.

THE DIFFERENCES, MADE VISIBLE

Visual facts

Differences first. Select a topic for its graphic, sources and conditions.

How to read this comparison

Manufacturer facts for the exact models shown. Not a quality rating or a test result.
“Different” means the known values differ, not that one is better.
Missing or conflicting evidence is marked and never counts as a difference. Source chips hold each fact’s sources and conditions.

SPECIFICATIONS SIDE BY SIDE8 topics

SELECTED TOPIC

01 / 08

Connections

Check the exact configuration and source conditions for your use.

HyperX Pulsefire Haste 2 Pro 4K Wireless2.4 GHz wireless receiver; Bluetooth; wired USB-C

Manufacturer specification · Original exact connection inventory: 2.4 GHz wireless (USB 4K wireless receiver), Bluetooth or wired USB-C. Supplied 4K wireless receiver and detachable USB-C to USB-A cable; HyperX says the mouse can be played while charging over USB-C. HyperX also says Instant Pair lets OMEN gaming laptops such as the 2025 OMEN MAX 16 connect over built-in 2.4 GHz without the receiver. Common transport availability does not identify the same receiver hardware or wireless protocol implementation. Included4K receiver and the separate4000Hz wireless rating remain positive; Bluetooth version is unspecified.

Source 1 Source 2

HyperX Pulsefire Fuse Wireless2.4 GHz wireless receiver; Bluetooth

Manufacturer specification · Original exact connection inventory: 2.4 GHz wireless (USB-A dongle) or Bluetooth. HyperX lists wireless USB Type-A and Bluetooth; no cable is in the listed box contents and no wired mode is listed. HyperX says per-LED RGB customisation in NGENUITY works in 2.4GHz mode only. Common transport availability does not identify the same receiver hardware or wireless protocol implementation. Source expressly names wireless USB Type-A; Bluetooth version remains unspecified.

Source 1 Source 2

Explore the full specifications

Choose the grip, then check the connection. Left-side thumb controls are not a mirrored left-handed layout. Check the receiver or USB connection, battery requirements and your preferred shape. DPI is tracking resolution, not an accuracy score; no gaming winner is inferred.

WHAT CHANGES BETWEEN THEM?

Key differences

Full specifications ↓

10 verified differences, most decision-relevant first. 6 are also drawn in Visual facts above. Missing information stays separate.

Connections

In Visual facts

HyperX Pulsefire Haste 2 Pro 4K Wireless2.4 GHz wireless receiver; Bluetooth; wired USB-C

HyperX Pulsefire Fuse Wireless2.4 GHz wireless receiver; Bluetooth

Sources

HyperX Pulsefire Haste 2 Pro 4K Wireless

HyperX Pulsefire Haste 2 Pro – 4K Wireless Gaming Mouse (A1KY5AA slate grey) — HyperX UK store page and specifications HyperX Pulsefire Haste 2 Pro – 4K Wireless Gaming Mouse (A1KY5AA slate gray) — HyperX US store page and specifications

HyperX Pulsefire Fuse Wireless

HyperX Pulsefire Fuse – Wireless Gaming Mouse (A1KY6AA black) — HyperX UK store page and specifications HyperX Pulsefire Fuse – Wireless Gaming Mouse (A1KY6AA black) — HyperX US store page and specifications

Check the exact configuration and source conditions for your use.

Sensor model / type

In Visual facts

HyperX Pulsefire Haste 2 Pro 4K WirelessHyperX 26K Sensor

HyperX Pulsefire Fuse WirelessPixart PAW3311

Sources

HyperX Pulsefire Haste 2 Pro 4K Wireless

Manufacturer specification · HyperX's sensor name; the supplier is not stated.

HyperX Pulsefire Fuse Wireless

Manufacturer specification · HyperX's sensor name, as written on both regional tables.

Sensor settings and manufacturer tracking limits describe capabilities, not independently measured accuracy or gaming performance. Preserve each test surface and software condition.

Main switch technology

In Visual facts

HyperX Pulsefire Haste 2 Pro 4K WirelessHyperX Optical Switches

HyperX Pulsefire Fuse WirelessKailh

Sources

HyperX Pulsefire Haste 2 Pro 4K Wireless

Manufacturer specification · HyperX says the optical switches have no debounce while keeping a mechanical feel.

HyperX Pulsefire Fuse Wireless

Manufacturer specification · HyperX names the switch maker only; the switch model and type are not stated.

Switch actuation and button tensioning describe different parts of a click mechanism. Read the documented technology; its name alone does not establish latency, durability or feel.

Maximum wireless report rate

In Visual facts

HyperX Pulsefire Haste 2 Pro 4K Wireless4000 Hz

HyperX Pulsefire Fuse Wireless1000 Hz

Sources

HyperX Pulsefire Haste 2 Pro 4K Wireless

Manufacturer specification · Up to 4000 Hz in 2.4 GHz mode only; HyperX gives a Bluetooth maximum of 125 Hz. The UK table shows a placeholder for this row.

HyperX Pulsefire Haste 2 Pro – 4K Wireless Gaming Mouse (A1KY5AA slate gray) — HyperX US store page and specifications

HyperX Pulsefire Fuse Wireless

Manufacturer specification · Up to 1000 Hz per the US specification table; the battery test also uses 1000 Hz in 2.4GHz mode. HyperX does not give a separate Bluetooth rate. The UK table shows a placeholder for this row.

HyperX Pulsefire Fuse – Wireless Gaming Mouse (A1KY6AA black) — HyperX US store page and specifications

Check the connection and receiver: supplied, wired and optional-accessory limits can differ. Report frequency is not measured click latency, and maximum battery life may use another setting.

Battery

In Visual facts

HyperX Pulsefire Haste 2 Pro 4K WirelessRechargeable Li-ion polymer; up to 90 hours at 1000 Hz, up to 30 hours at 4000 Hz

HyperX Pulsefire Fuse Wireless1 × AAA alkaline (included); up to 85 hours

Sources

HyperX Pulsefire Haste 2 Pro 4K Wireless

Manufacturer specification · HyperX says the figures were tested under continuous use with lighting disabled in 2.4 GHz mode, and that battery life varies with use.

HyperX Pulsefire Fuse Wireless

Manufacturer specification · HyperX says the 85-hour figure was tested under continuous use with lighting disabled, in 2.4GHz mode at 1000 Hz with the included AAA alkaline battery, and that battery life varies with use.

Manufacturer claims for the stated mode and equipment. Read each test condition; this is not measured everyday battery life.

Listed package

In Visual facts

HyperX Pulsefire Haste 2 Pro 4K WirelessMouse; HyperX Grips; low-friction skates; USB-C to USB-A cable; USB 4K wireless receiver; USB extension adapter; quick start guide

HyperX Pulsefire Fuse WirelessMouse; USB wireless dongle; AAA alkaline battery; quick start guide

Sources

HyperX Pulsefire Haste 2 Pro 4K Wireless

Manufacturer specification · Manufacturer box contents. Check the seller's listing.

HyperX Pulsefire Fuse Wireless

Manufacturer specification · Manufacturer box contents. Check the seller's listing.

Check the exact configuration and source conditions for your use.

Show 4 more verified differences

Maximum tracking resolution

HyperX Pulsefire Haste 2 Pro 4K Wireless26000 DPI

HyperX Pulsefire Fuse Wireless12000 DPI

Sources

HyperX Pulsefire Haste 2 Pro 4K Wireless

Manufacturer specification

HyperX Pulsefire Fuse Wireless

Manufacturer specification

Sensor settings and manufacturer tracking limits describe capabilities, not independently measured accuracy or gaming performance. Preserve each test surface and software condition.

Published acceleration threshold

HyperX Pulsefire Haste 2 Pro 4K Wireless50 G

HyperX Pulsefire Fuse Wireless35 G

Sources

HyperX Pulsefire Haste 2 Pro 4K Wireless

Manufacturer specification · Listed on the US specification table only; test surface not stated.

HyperX Pulsefire Haste 2 Pro – 4K Wireless Gaming Mouse (A1KY5AA slate gray) — HyperX US store page and specifications

HyperX Pulsefire Fuse Wireless

Manufacturer specification · Listed on the US specification table only; test surface not stated.

HyperX Pulsefire Fuse – Wireless Gaming Mouse (A1KY6AA black) — HyperX US store page and specifications

Sensor settings and manufacturer tracking limits describe capabilities, not independently measured accuracy or gaming performance. Preserve each test surface and software condition.

Published tracking speed

HyperX Pulsefire Haste 2 Pro 4K Wireless650 IPS

HyperX Pulsefire Fuse Wireless300 IPS

Sources

HyperX Pulsefire Haste 2 Pro 4K Wireless

Manufacturer specification · HyperX's maximum speed rating; test surface not stated.

HyperX Pulsefire Fuse Wireless

Manufacturer specification · HyperX's maximum speed rating; test surface not stated.

Sensor settings and manufacturer tracking limits describe capabilities, not independently measured accuracy or gaming performance. Preserve each test surface and software condition.

Dimensions

HyperX Pulsefire Haste 2 Pro 4K Wireless124.3 × 66.8 × 38.2 mm (length × width × height)

HyperX Pulsefire Fuse Wireless124.4 × 64 × 39.7 mm (length × width × height)

Sources

HyperX Pulsefire Haste 2 Pro 4K Wireless

Manufacturer specification · Mouse body as listed by HyperX.

HyperX Pulsefire Fuse Wireless

Manufacturer specification · Mouse body as listed by HyperX.

A size or weight trade-off; it does not establish the better product.

Small physical differences (2)

Body length

In Visual facts

HyperX Pulsefire Haste 2 Pro 4K Wireless124.3 mm

HyperX Pulsefire Fuse Wireless124.4 mm

Sources

HyperX Pulsefire Haste 2 Pro 4K Wireless

Manufacturer specification

HyperX Pulsefire Haste 2 Pro – 4K Wireless Gaming Mouse (A1KY5AA slate grey) — HyperX UK store page and specifications

HyperX Pulsefire Fuse Wireless

Manufacturer specification

HyperX Pulsefire Fuse – Wireless Gaming Mouse (A1KY6AA black) — HyperX UK store page and specifications

Check the exact configuration and source conditions for your use.

Body width

HyperX Pulsefire Haste 2 Pro 4K Wireless66.8 mm

HyperX Pulsefire Fuse Wireless64 mm

Sources

HyperX Pulsefire Haste 2 Pro 4K Wireless

Manufacturer specification · HyperX's listed width; HyperX does not state the measurement basis.

HyperX Pulsefire Haste 2 Pro – 4K Wireless Gaming Mouse (A1KY5AA slate grey) — HyperX UK store page and specifications

HyperX Pulsefire Fuse Wireless

Manufacturer specification · HyperX's listed width; HyperX does not state the measurement basis.

HyperX Pulsefire Fuse – Wireless Gaming Mouse (A1KY6AA black) — HyperX UK store page and specifications

A size or weight trade-off; it does not establish the better product.

Missing or non-comparable evidence (10)

Maximum wired report rate

HyperX Pulsefire Haste 2 Pro 4K Wireless1000 Hz

HyperX Pulsefire Fuse WirelessNot verified

Sources

HyperX Pulsefire Haste 2 Pro 4K Wireless

Manufacturer specification · HyperX's stated wired maximum.

HyperX Pulsefire Haste 2 Pro – 4K Wireless Gaming Mouse (A1KY5AA slate gray) — HyperX US store page and specifications

HyperX Pulsefire Fuse Wireless

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Cable length

HyperX Pulsefire Haste 2 Pro 4K WirelessNot verified

HyperX Pulsefire Fuse WirelessNot verified

Sources

HyperX Pulsefire Haste 2 Pro 4K Wireless

HyperX does not list a metric cable length for this model; the US page gives 5.9 ft and the UK page leaves the length out. · Manufacturer specification · Only an imperial figure (5.9 ft) is published; not converted.

HyperX Pulsefire Fuse Wireless

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Bluetooth version

HyperX Pulsefire Haste 2 Pro 4K WirelessNot verified

HyperX Pulsefire Fuse WirelessNot verified

Sources

HyperX Pulsefire Haste 2 Pro 4K Wireless

The complete reviewed exact UK/US inventories name Bluetooth without a version. No version equivalence, absence or upgrade is inferred. · Manufacturer specification · Bluetooth availability is positive; version is unresolved.

HyperX Pulsefire Fuse Wireless

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Charging

HyperX Pulsefire Haste 2 Pro 4K WirelessUSB-C to USB-A cable (included, detachable); usable while charging

HyperX Pulsefire Fuse WirelessNot verified

Sources

HyperX Pulsefire Haste 2 Pro 4K Wireless

Manufacturer specification

HyperX Pulsefire Fuse Wireless

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Glide feet

HyperX Pulsefire Haste 2 Pro 4K WirelessLow-friction skates (material not stated)

HyperX Pulsefire Fuse WirelessNot verified

Sources

HyperX Pulsefire Haste 2 Pro 4K Wireless

Manufacturer specification · HyperX does not name the skate material.

HyperX Pulsefire Fuse Wireless

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Grip surface

HyperX Pulsefire Haste 2 Pro 4K WirelessNot verified

HyperX Pulsefire Fuse WirelessMicroline grip textured panels

Sources

HyperX Pulsefire Haste 2 Pro 4K Wireless

No source recorded for this side.

HyperX Pulsefire Fuse Wireless

Manufacturer specification

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Minimum sensitivity

HyperX Pulsefire Haste 2 Pro 4K WirelessNot verified

HyperX Pulsefire Fuse WirelessNot verified

Sources

HyperX Pulsefire Haste 2 Pro 4K Wireless

HyperX does not list a minimum sensitivity for this model. · Manufacturer specification · HyperX lists only the 26,000 DPI maximum; the lowest default preset (400 DPI) is not a stated minimum.

HyperX Pulsefire Haste 2 Pro – 4K Wireless Gaming Mouse (A1KY5AA slate grey) — HyperX UK store page and specifications

HyperX Pulsefire Fuse Wireless

HyperX does not list a minimum sensitivity for this model. · Manufacturer specification · HyperX lists only the 12,000 DPI maximum; the lowest default preset (400 DPI) is not a stated minimum.

HyperX Pulsefire Fuse – Wireless Gaming Mouse (A1KY6AA black) — HyperX UK store page and specifications

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Claimed main-switch durability

HyperX Pulsefire Haste 2 Pro 4K WirelessNot verified

HyperX Pulsefire Fuse Wireless20 million clicks

Sources

HyperX Pulsefire Haste 2 Pro 4K Wireless

HyperX does not list a switch durability rating for this model. · Manufacturer specification · No click-lifecycle row or rating appears on either regional page.

HyperX Pulsefire Haste 2 Pro – 4K Wireless Gaming Mouse (A1KY5AA slate grey) — HyperX UK store page and specifications

HyperX Pulsefire Fuse Wireless

Manufacturer specification · HyperX's rating for the left and right buttons.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Weight

HyperX Pulsefire Haste 2 Pro 4K Wireless61 g

HyperX Pulsefire Fuse Wireless75 g

Sources

HyperX Pulsefire Haste 2 Pro 4K Wireless

Manufacturer specification · HyperX lists 61 g (0.13 lb on the US table) without stating whether the detachable cable or receiver is included.

HyperX Pulsefire Fuse Wireless

Manufacturer specification · With the included AAA alkaline battery installed; HyperX lists 64 g for the mouse only (0.16 lb and 0.14 lb on the US table).

The manufacturer sources do not establish the same cable weighing basis. Both published masses remain visible with their conditions, but are not ranked.

Weight without battery

HyperX Pulsefire Haste 2 Pro 4K WirelessNot verified

HyperX Pulsefire Fuse Wireless64 g

Sources

HyperX Pulsefire Haste 2 Pro 4K Wireless

No source recorded for this side.

HyperX Pulsefire Fuse Wireless

Manufacturer specification · Mouse only, without the AAA battery; 75 g with the alkaline battery.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

9 shared fields have the same recorded value.

WHAT EACH CHOICE ASKS OF YOU

What it brings and what to check

HyperX Pulsefire Haste 2 Pro 4K Wireless

What it brings

HyperX says 4 kHz wireless polling needs no extra components: the 4K receiver is in the box, and HyperX rates the battery at up to 90 hours at 1000 Hz or 30 hours at 4000 Hz with lighting off.
Manufacturer source Manufacturer source
Three connection modes (2.4 GHz, Bluetooth and a detachable USB-C cable), plus Instant Pair to OMEN gaming laptops without the receiver and NVIDIA Reflex validation for latency checks.
Manufacturer source Manufacturer source

What to check

The 4000 Hz rate applies to 2.4 GHz only: HyperX lists 125 Hz over Bluetooth and 1000 Hz wired. One onboard profile is listed, and both side buttons are on the left.
Manufacturer source
HyperX gives no switch durability rating, minimum DPI or metric cable length, and does not say whether the 61 g figure includes the cable.
Manufacturer source Manufacturer source

HyperX Pulsefire Fuse Wireless

What it brings

It runs on one replaceable AAA alkaline battery (included), rated for up to 85 hours with lighting off in 2.4GHz mode at 1000 Hz, and connects by dongle or Bluetooth.
Manufacturer source Manufacturer source
HyperX names the sensor (Pixart PAW3311) and the Kailh main switches with a 20-million-click rating, and the sides have Microline textured grip panels.
Manufacturer source Manufacturer source

What to check

HyperX lists 12,000 DPI, 300 IPS, 35 G and 1000 Hz, and there is no listed wired mode or charging cable.
Manufacturer source Manufacturer source
HyperX calls the shape ambidextrous, but both side buttons are on the left; RGB customisation works in 2.4GHz mode only and one onboard profile is listed.
Manufacturer source Manufacturer source

COMPARE THE DETAILS

Full specifications

How we verify

Differences only

31 of 31 specifications Sources in each row

Source-backed specifications for HyperX Pulsefire Haste 2 Pro 4K Wireless and HyperX Pulsefire Fuse Wireless
Specification	HyperX Pulsefire Haste 2 Pro 4K Wireless	HyperX Pulsefire Fuse Wireless

WeightDifferent Sources HyperX Pulsefire Haste 2 Pro 4K Wireless Manufacturer specification · HyperX lists 61 g (0.13 lb on the US table) without stating whether the detachable cable or receiver is included. HyperX Pulsefire Haste 2 Pro – 4K Wireless Gaming Mouse (A1KY5AA slate grey) — HyperX UK store page and specifications HyperX Pulsefire Haste 2 Pro – 4K Wireless Gaming Mouse (A1KY5AA slate gray) — HyperX US store page and specifications HyperX Pulsefire Fuse Wireless Manufacturer specification · With the included AAA alkaline battery installed; HyperX lists 64 g for the mouse only (0.16 lb and 0.14 lb on the US table). HyperX Pulsefire Fuse – Wireless Gaming Mouse (A1KY6AA black) — HyperX UK store page and specifications HyperX Pulsefire Fuse – Wireless Gaming Mouse (A1KY6AA black) — HyperX US store page and specifications	61 g	75 g
DimensionsDifferent Sources HyperX Pulsefire Haste 2 Pro 4K Wireless Manufacturer specification · Mouse body as listed by HyperX. HyperX Pulsefire Haste 2 Pro – 4K Wireless Gaming Mouse (A1KY5AA slate grey) — HyperX UK store page and specifications HyperX Pulsefire Haste 2 Pro – 4K Wireless Gaming Mouse (A1KY5AA slate gray) — HyperX US store page and specifications HyperX Pulsefire Fuse Wireless Manufacturer specification · Mouse body as listed by HyperX. HyperX Pulsefire Fuse – Wireless Gaming Mouse (A1KY6AA black) — HyperX UK store page and specifications HyperX Pulsefire Fuse – Wireless Gaming Mouse (A1KY6AA black) — HyperX US store page and specifications	124.3 × 66.8 × 38.2 mm (length × width × height)	124.4 × 64 × 39.7 mm (length × width × height)
Body lengthDifferent Sources HyperX Pulsefire Haste 2 Pro 4K Wireless Manufacturer specification HyperX Pulsefire Haste 2 Pro – 4K Wireless Gaming Mouse (A1KY5AA slate grey) — HyperX UK store page and specifications HyperX Pulsefire Fuse Wireless Manufacturer specification HyperX Pulsefire Fuse – Wireless Gaming Mouse (A1KY6AA black) — HyperX UK store page and specifications	124.3 mm	124.4 mm
Body widthDifferent Sources HyperX Pulsefire Haste 2 Pro 4K Wireless Manufacturer specification · HyperX's listed width; HyperX does not state the measurement basis. HyperX Pulsefire Haste 2 Pro – 4K Wireless Gaming Mouse (A1KY5AA slate grey) — HyperX UK store page and specifications HyperX Pulsefire Fuse Wireless Manufacturer specification · HyperX's listed width; HyperX does not state the measurement basis. HyperX Pulsefire Fuse – Wireless Gaming Mouse (A1KY6AA black) — HyperX UK store page and specifications	66.8 mm	64 mm
Hand orientation Sources HyperX Pulsefire Haste 2 Pro 4K Wireless Manufacturer specification · HyperX lists a symmetrical shape but does not state a hand orientation; the official top and angled views show both side buttons on the left, so the button layout is for right-handed use. Not a grip or comfort test. HyperX Pulsefire Haste 2 Pro – 4K Wireless Gaming Mouse (A1KY5AA slate gray) — HyperX US store page and specifications HyperX Pulsefire Fuse Wireless Manufacturer specification · HyperX describes a symmetrical shape for ambidextrous use, but the official top view shows both side buttons on the left only, so the side-button layout is for right-handed use. Not a grip or comfort test. HyperX Pulsefire Fuse – Wireless Gaming Mouse (A1KY6AA black) — HyperX UK store page and specifications HyperX Pulsefire Fuse – Wireless Gaming Mouse (A1KY6AA black) — HyperX US store page and specifications	Symmetrical shape; side buttons on the left only	Symmetrical shape; side buttons on the left only
Glide feet Sources HyperX Pulsefire Haste 2 Pro 4K Wireless Manufacturer specification · HyperX does not name the skate material. HyperX Pulsefire Haste 2 Pro – 4K Wireless Gaming Mouse (A1KY5AA slate grey) — HyperX UK store page and specifications HyperX Pulsefire Haste 2 Pro – 4K Wireless Gaming Mouse (A1KY5AA slate gray) — HyperX US store page and specifications HyperX Pulsefire Fuse Wireless No source recorded.	Low-friction skates (material not stated)	Not provided
Weight without battery Sources HyperX Pulsefire Haste 2 Pro 4K Wireless No source recorded. HyperX Pulsefire Fuse Wireless Manufacturer specification · Mouse only, without the AAA battery; 75 g with the alkaline battery. HyperX Pulsefire Fuse – Wireless Gaming Mouse (A1KY6AA black) — HyperX UK store page and specifications HyperX Pulsefire Fuse – Wireless Gaming Mouse (A1KY6AA black) — HyperX US store page and specifications	Not provided	64 g

Sensor model / typeDifferent Sources HyperX Pulsefire Haste 2 Pro 4K Wireless Manufacturer specification · HyperX's sensor name; the supplier is not stated. HyperX Pulsefire Haste 2 Pro – 4K Wireless Gaming Mouse (A1KY5AA slate grey) — HyperX UK store page and specifications HyperX Pulsefire Haste 2 Pro – 4K Wireless Gaming Mouse (A1KY5AA slate gray) — HyperX US store page and specifications HyperX Pulsefire Fuse Wireless Manufacturer specification · HyperX's sensor name, as written on both regional tables. HyperX Pulsefire Fuse – Wireless Gaming Mouse (A1KY6AA black) — HyperX UK store page and specifications HyperX Pulsefire Fuse – Wireless Gaming Mouse (A1KY6AA black) — HyperX US store page and specifications	HyperX 26K Sensor	Pixart PAW3311
Maximum tracking resolutionDifferent Sources HyperX Pulsefire Haste 2 Pro 4K Wireless Manufacturer specification HyperX Pulsefire Haste 2 Pro – 4K Wireless Gaming Mouse (A1KY5AA slate grey) — HyperX UK store page and specifications HyperX Pulsefire Haste 2 Pro – 4K Wireless Gaming Mouse (A1KY5AA slate gray) — HyperX US store page and specifications HyperX Pulsefire Fuse Wireless Manufacturer specification HyperX Pulsefire Fuse – Wireless Gaming Mouse (A1KY6AA black) — HyperX UK store page and specifications HyperX Pulsefire Fuse – Wireless Gaming Mouse (A1KY6AA black) — HyperX US store page and specifications	26000 DPI	12000 DPI
Default DPI presets Sources HyperX Pulsefire Haste 2 Pro 4K Wireless Manufacturer specification · Four default presets (400 / 800 / 1600 / 3200 DPI); custom DPI levels are set in NGENUITY. HyperX Pulsefire Haste 2 Pro – 4K Wireless Gaming Mouse (A1KY5AA slate grey) — HyperX UK store page and specifications HyperX Pulsefire Haste 2 Pro – 4K Wireless Gaming Mouse (A1KY5AA slate gray) — HyperX US store page and specifications HyperX Pulsefire Fuse Wireless Manufacturer specification · Four default presets (400 / 800 / 1600 / 3200 DPI) changed with the DPI switch; custom levels up to 12,000 DPI are set in NGENUITY. HyperX Pulsefire Fuse – Wireless Gaming Mouse (A1KY6AA black) — HyperX UK store page and specifications HyperX Pulsefire Fuse – Wireless Gaming Mouse (A1KY6AA black) — HyperX US store page and specifications	4 settings	4 settings
Maximum wireless report rateDifferent Sources HyperX Pulsefire Haste 2 Pro 4K Wireless Manufacturer specification · Up to 4000 Hz in 2.4 GHz mode only; HyperX gives a Bluetooth maximum of 125 Hz. The UK table shows a placeholder for this row. HyperX Pulsefire Haste 2 Pro – 4K Wireless Gaming Mouse (A1KY5AA slate gray) — HyperX US store page and specifications HyperX Pulsefire Fuse Wireless Manufacturer specification · Up to 1000 Hz per the US specification table; the battery test also uses 1000 Hz in 2.4GHz mode. HyperX does not give a separate Bluetooth rate. The UK table shows a placeholder for this row. HyperX Pulsefire Fuse – Wireless Gaming Mouse (A1KY6AA black) — HyperX US store page and specifications	4000 Hz	1000 Hz
Maximum wired report rate Sources HyperX Pulsefire Haste 2 Pro 4K Wireless Manufacturer specification · HyperX's stated wired maximum. HyperX Pulsefire Haste 2 Pro – 4K Wireless Gaming Mouse (A1KY5AA slate gray) — HyperX US store page and specifications HyperX Pulsefire Fuse Wireless No source recorded.	1000 Hz	Not provided
Published tracking speedDifferent Sources HyperX Pulsefire Haste 2 Pro 4K Wireless Manufacturer specification · HyperX's maximum speed rating; test surface not stated. HyperX Pulsefire Haste 2 Pro – 4K Wireless Gaming Mouse (A1KY5AA slate grey) — HyperX UK store page and specifications HyperX Pulsefire Haste 2 Pro – 4K Wireless Gaming Mouse (A1KY5AA slate gray) — HyperX US store page and specifications HyperX Pulsefire Fuse Wireless Manufacturer specification · HyperX's maximum speed rating; test surface not stated. HyperX Pulsefire Fuse – Wireless Gaming Mouse (A1KY6AA black) — HyperX UK store page and specifications HyperX Pulsefire Fuse – Wireless Gaming Mouse (A1KY6AA black) — HyperX US store page and specifications	650 IPS	300 IPS
Published acceleration thresholdDifferent Sources HyperX Pulsefire Haste 2 Pro 4K Wireless Manufacturer specification · Listed on the US specification table only; test surface not stated. HyperX Pulsefire Haste 2 Pro – 4K Wireless Gaming Mouse (A1KY5AA slate gray) — HyperX US store page and specifications HyperX Pulsefire Fuse Wireless Manufacturer specification · Listed on the US specification table only; test surface not stated. HyperX Pulsefire Fuse – Wireless Gaming Mouse (A1KY6AA black) — HyperX US store page and specifications	50 G	35 G

Listed controls Sources HyperX Pulsefire Haste 2 Pro 4K Wireless Manufacturer specification · HyperX's specification table lists 6 buttons; NGENUITY is used for key binds and macros. HyperX Pulsefire Haste 2 Pro – 4K Wireless Gaming Mouse (A1KY5AA slate grey) — HyperX UK store page and specifications HyperX Pulsefire Haste 2 Pro – 4K Wireless Gaming Mouse (A1KY5AA slate gray) — HyperX US store page and specifications HyperX Pulsefire Fuse Wireless Manufacturer specification · HyperX's specification table lists 6 buttons; the NGENUITY section says up to 5 mouse buttons can be reassigned. HyperX Pulsefire Fuse – Wireless Gaming Mouse (A1KY6AA black) — HyperX UK store page and specifications HyperX Pulsefire Fuse – Wireless Gaming Mouse (A1KY6AA black) — HyperX US store page and specifications	6	6
Main switch technologyDifferent Sources HyperX Pulsefire Haste 2 Pro 4K Wireless Manufacturer specification · HyperX says the optical switches have no debounce while keeping a mechanical feel. HyperX Pulsefire Haste 2 Pro – 4K Wireless Gaming Mouse (A1KY5AA slate grey) — HyperX UK store page and specifications HyperX Pulsefire Haste 2 Pro – 4K Wireless Gaming Mouse (A1KY5AA slate gray) — HyperX US store page and specifications HyperX Pulsefire Fuse Wireless Manufacturer specification · HyperX names the switch maker only; the switch model and type are not stated. HyperX Pulsefire Fuse – Wireless Gaming Mouse (A1KY6AA black) — HyperX UK store page and specifications HyperX Pulsefire Fuse – Wireless Gaming Mouse (A1KY6AA black) — HyperX US store page and specifications	HyperX Optical Switches	Kailh
Claimed main-switch durability Sources HyperX Pulsefire Haste 2 Pro 4K Wireless HyperX does not list a switch durability rating for this model. · Manufacturer specification · No click-lifecycle row or rating appears on either regional page. HyperX Pulsefire Haste 2 Pro – 4K Wireless Gaming Mouse (A1KY5AA slate grey) — HyperX UK store page and specifications HyperX Pulsefire Fuse Wireless Manufacturer specification · HyperX's rating for the left and right buttons. HyperX Pulsefire Fuse – Wireless Gaming Mouse (A1KY6AA black) — HyperX UK store page and specifications HyperX Pulsefire Fuse – Wireless Gaming Mouse (A1KY6AA black) — HyperX US store page and specifications	Not provided	20 million clicks

ConnectionsDifferent Sources HyperX Pulsefire Haste 2 Pro 4K Wireless Manufacturer specification · Original exact connection inventory: 2.4 GHz wireless (USB 4K wireless receiver), Bluetooth or wired USB-C. Supplied 4K wireless receiver and detachable USB-C to USB-A cable; HyperX says the mouse can be played while charging over USB-C. HyperX also says Instant Pair lets OMEN gaming laptops such as the 2025 OMEN MAX 16 connect over built-in 2.4 GHz without the receiver. Common transport availability does not identify the same receiver hardware or wireless protocol implementation. Included4K receiver and the separate4000Hz wireless rating remain positive; Bluetooth version is unspecified. HyperX Pulsefire Haste 2 Pro – 4K Wireless Gaming Mouse (A1KY5AA slate grey) — HyperX UK store page and specifications HyperX Pulsefire Haste 2 Pro – 4K Wireless Gaming Mouse (A1KY5AA slate gray) — HyperX US store page and specifications HyperX Pulsefire Fuse Wireless Manufacturer specification · Original exact connection inventory: 2.4 GHz wireless (USB-A dongle) or Bluetooth. HyperX lists wireless USB Type-A and Bluetooth; no cable is in the listed box contents and no wired mode is listed. HyperX says per-LED RGB customisation in NGENUITY works in 2.4GHz mode only. Common transport availability does not identify the same receiver hardware or wireless protocol implementation. Source expressly names wireless USB Type-A; Bluetooth version remains unspecified. HyperX Pulsefire Fuse – Wireless Gaming Mouse (A1KY6AA black) — HyperX UK store page and specifications HyperX Pulsefire Fuse – Wireless Gaming Mouse (A1KY6AA black) — HyperX US store page and specifications	2.4 GHz wireless receiver; Bluetooth; wired USB-C	2.4 GHz wireless receiver; Bluetooth
BatteryDifferent Sources HyperX Pulsefire Haste 2 Pro 4K Wireless Manufacturer specification · HyperX says the figures were tested under continuous use with lighting disabled in 2.4 GHz mode, and that battery life varies with use. HyperX Pulsefire Haste 2 Pro – 4K Wireless Gaming Mouse (A1KY5AA slate grey) — HyperX UK store page and specifications HyperX Pulsefire Haste 2 Pro – 4K Wireless Gaming Mouse (A1KY5AA slate gray) — HyperX US store page and specifications HyperX Pulsefire Fuse Wireless Manufacturer specification · HyperX says the 85-hour figure was tested under continuous use with lighting disabled, in 2.4GHz mode at 1000 Hz with the included AAA alkaline battery, and that battery life varies with use. HyperX Pulsefire Fuse – Wireless Gaming Mouse (A1KY6AA black) — HyperX UK store page and specifications HyperX Pulsefire Fuse – Wireless Gaming Mouse (A1KY6AA black) — HyperX US store page and specifications	Rechargeable Li-ion polymer; up to 90 hours at 1000 Hz, up to 30 hours at 4000 Hz	1 × AAA alkaline (included); up to 85 hours
Charging Sources HyperX Pulsefire Haste 2 Pro 4K Wireless Manufacturer specification HyperX Pulsefire Haste 2 Pro – 4K Wireless Gaming Mouse (A1KY5AA slate grey) — HyperX UK store page and specifications HyperX Pulsefire Haste 2 Pro – 4K Wireless Gaming Mouse (A1KY5AA slate gray) — HyperX US store page and specifications HyperX Pulsefire Fuse Wireless No source recorded.	USB-C to USB-A cable (included, detachable); usable while charging	Not provided

Onboard memory Sources HyperX Pulsefire Haste 2 Pro 4K Wireless Manufacturer specification · The US specification table lists one onboard profile; the UK table shows a placeholder for this row. HyperX Pulsefire Haste 2 Pro – 4K Wireless Gaming Mouse (A1KY5AA slate gray) — HyperX US store page and specifications HyperX Pulsefire Fuse Wireless Manufacturer specification · The US specification table lists one onboard profile; the UK table shows a placeholder for this row. HyperX Pulsefire Fuse – Wireless Gaming Mouse (A1KY6AA black) — HyperX US store page and specifications	Yes	Yes
Onboard profile capacity Sources HyperX Pulsefire Haste 2 Pro 4K Wireless Manufacturer specification · One onboard profile, per the US specification table. HyperX Pulsefire Haste 2 Pro – 4K Wireless Gaming Mouse (A1KY5AA slate gray) — HyperX US store page and specifications HyperX Pulsefire Fuse Wireless Manufacturer specification · One onboard profile, per the US specification table. HyperX Pulsefire Fuse – Wireless Gaming Mouse (A1KY6AA black) — HyperX US store page and specifications	1 profile	1 profile
Lighting Sources HyperX Pulsefire Haste 2 Pro 4K Wireless Manufacturer specification · Lighting is personalised in HyperX NGENUITY. Published lighting implementation: LED RGB lighting. Source-specific tooling, location, modes and effects remain qualified; more detailed wording does not establish another RGB product lacks that implementation. HyperX Pulsefire Haste 2 Pro – 4K Wireless Gaming Mouse (A1KY5AA slate gray) — HyperX US store page and specifications HyperX Pulsefire Fuse Wireless Manufacturer specification · Customisable in NGENUITY in 2.4GHz mode only, per HyperX. Published lighting implementation: Per-LED RGB lighting. Source-specific tooling, location, modes and effects remain qualified; more detailed wording does not establish another RGB product lacks that implementation. HyperX Pulsefire Fuse – Wireless Gaming Mouse (A1KY6AA black) — HyperX UK store page and specifications HyperX Pulsefire Fuse – Wireless Gaming Mouse (A1KY6AA black) — HyperX US store page and specifications	RGB	RGB
Customisation software Sources HyperX Pulsefire Haste 2 Pro 4K Wireless Manufacturer specification · Lighting, macros, key binds and DPI settings are set in NGENUITY, which also shows battery life. HyperX says the mouse is NVIDIA Reflex Validated for checking system latency between mouse and monitor. HyperX Pulsefire Haste 2 Pro – 4K Wireless Gaming Mouse (A1KY5AA slate grey) — HyperX UK store page and specifications HyperX Pulsefire Haste 2 Pro – 4K Wireless Gaming Mouse (A1KY5AA slate gray) — HyperX US store page and specifications HyperX Pulsefire Fuse Wireless Manufacturer specification · Custom DPI levels up to 12k, RGB colours and patterns, and reassignment of up to 5 buttons are set in NGENUITY. HyperX Pulsefire Fuse – Wireless Gaming Mouse (A1KY6AA black) — HyperX UK store page and specifications HyperX Pulsefire Fuse – Wireless Gaming Mouse (A1KY6AA black) — HyperX US store page and specifications	HyperX NGENUITY	HyperX NGENUITY

Listed compatibility Sources HyperX Pulsefire Haste 2 Pro 4K Wireless Manufacturer specification · HyperX's listed platforms; Xbox One and PS4 are not listed for this model. HyperX lists "Software Compatibility: NGENUITY" alongside them. HyperX Pulsefire Haste 2 Pro – 4K Wireless Gaming Mouse (A1KY5AA slate grey) — HyperX UK store page and specifications HyperX Pulsefire Haste 2 Pro – 4K Wireless Gaming Mouse (A1KY5AA slate gray) — HyperX US store page and specifications HyperX Pulsefire Fuse Wireless Manufacturer specification · HyperX's listed platforms; Xbox One and PS4 are not listed for this model. HyperX Pulsefire Fuse – Wireless Gaming Mouse (A1KY6AA black) — HyperX UK store page and specifications HyperX Pulsefire Fuse – Wireless Gaming Mouse (A1KY6AA black) — HyperX US store page and specifications	PC, PS5, Xbox Series X\|S	PC, PS5, Xbox Series X\|S
Listed packageDifferent Sources HyperX Pulsefire Haste 2 Pro 4K Wireless Manufacturer specification · Manufacturer box contents. Check the seller's listing. HyperX Pulsefire Haste 2 Pro – 4K Wireless Gaming Mouse (A1KY5AA slate grey) — HyperX UK store page and specifications HyperX Pulsefire Haste 2 Pro – 4K Wireless Gaming Mouse (A1KY5AA slate gray) — HyperX US store page and specifications HyperX Pulsefire Fuse Wireless Manufacturer specification · Manufacturer box contents. Check the seller's listing. HyperX Pulsefire Fuse – Wireless Gaming Mouse (A1KY6AA black) — HyperX UK store page and specifications HyperX Pulsefire Fuse – Wireless Gaming Mouse (A1KY6AA black) — HyperX US store page and specifications	Mouse; HyperX Grips; low-friction skates; USB-C to USB-A cable; USB 4K wireless receiver; USB extension adapter; quick start guide	Mouse; USB wireless dongle; AAA alkaline battery; quick start guide
Warranty Sources HyperX Pulsefire Haste 2 Pro 4K Wireless Manufacturer specification · As listed on the HyperX store pages. HyperX Pulsefire Haste 2 Pro – 4K Wireless Gaming Mouse (A1KY5AA slate grey) — HyperX UK store page and specifications HyperX Pulsefire Haste 2 Pro – 4K Wireless Gaming Mouse (A1KY5AA slate gray) — HyperX US store page and specifications HyperX Pulsefire Fuse Wireless Manufacturer specification · As listed on the HyperX store pages. HyperX Pulsefire Fuse – Wireless Gaming Mouse (A1KY6AA black) — HyperX UK store page and specifications HyperX Pulsefire Fuse – Wireless Gaming Mouse (A1KY6AA black) — HyperX US store page and specifications	2 years	2 years
Grip surface Sources HyperX Pulsefire Haste 2 Pro 4K Wireless No source recorded. HyperX Pulsefire Fuse Wireless Manufacturer specification HyperX Pulsefire Fuse – Wireless Gaming Mouse (A1KY6AA black) — HyperX UK store page and specifications HyperX Pulsefire Fuse – Wireless Gaming Mouse (A1KY6AA black) — HyperX US store page and specifications	Not provided	Microline grip textured panels

Show unverified (3)Not verified, not provided or conflicting for both products. Kept for completeness; never counted as a difference.

Specifications without verified values for either product
Minimum sensitivity Sources HyperX Pulsefire Haste 2 Pro 4K Wireless HyperX does not list a minimum sensitivity for this model. · Manufacturer specification · HyperX lists only the 26,000 DPI maximum; the lowest default preset (400 DPI) is not a stated minimum. HyperX Pulsefire Haste 2 Pro – 4K Wireless Gaming Mouse (A1KY5AA slate grey) — HyperX UK store page and specifications HyperX Pulsefire Fuse Wireless HyperX does not list a minimum sensitivity for this model. · Manufacturer specification · HyperX lists only the 12,000 DPI maximum; the lowest default preset (400 DPI) is not a stated minimum. HyperX Pulsefire Fuse – Wireless Gaming Mouse (A1KY6AA black) — HyperX UK store page and specifications	Not provided	Not provided
Cable length Sources HyperX Pulsefire Haste 2 Pro 4K Wireless HyperX does not list a metric cable length for this model; the US page gives 5.9 ft and the UK page leaves the length out. · Manufacturer specification · Only an imperial figure (5.9 ft) is published; not converted. HyperX Pulsefire Haste 2 Pro – 4K Wireless Gaming Mouse (A1KY5AA slate grey) — HyperX UK store page and specifications HyperX Pulsefire Haste 2 Pro – 4K Wireless Gaming Mouse (A1KY5AA slate gray) — HyperX US store page and specifications HyperX Pulsefire Fuse Wireless No source recorded.	Not provided	Not provided
Bluetooth version Sources HyperX Pulsefire Haste 2 Pro 4K Wireless The complete reviewed exact UK/US inventories name Bluetooth without a version. No version equivalence, absence or upgrade is inferred. · Manufacturer specification · Bluetooth availability is positive; version is unresolved. HyperX Pulsefire Haste 2 Pro – 4K Wireless Gaming Mouse (A1KY5AA slate grey) — HyperX UK store page and specifications HyperX Pulsefire Haste 2 Pro – 4K Wireless Gaming Mouse (A1KY5AA slate gray) — HyperX US store page and specifications HyperX Pulsefire Fuse Wireless The complete reviewed exact UK/US inventories name Bluetooth without a version. No version equivalence, absence or upgrade is inferred. · Manufacturer specification · Bluetooth availability is positive; version is unresolved. HyperX Pulsefire Fuse – Wireless Gaming Mouse (A1KY6AA black) — HyperX UK store page and specifications HyperX Pulsefire Fuse – Wireless Gaming Mouse (A1KY6AA black) — HyperX US store page and specifications	Not listed by the manufacturer	Not listed by the manufacturer

First product manufacturer source Second product manufacturer source

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Each record represents an explicitly checked model and configuration. Original import: 5 Sept 2026; this is not its verification date. This is not a list of current offers or a popularity ranking.