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MICE

HyperX Pulsefire Haste 2 Pro 4K Wireless

Slate Grey · global manufacturer configuration · HyperX part A1KY5AA

Weight
61 g
Connections
2.4 GHz wireless receiver; Bluetooth; wired USB-C
Sensor model / type
HyperX 26K Sensor

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.

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THE ACTUAL PRODUCT
HyperX Pulsefire Haste 2 Pro 4K Wireless mouse in slate grey, top view showing the red-lit scroll wheel, DPI button and two left side buttons, no cable
Official product image · Image source detailsProduct imagery does not establish a retailer’s bundle or condition.
Compare with HyperX Pulsefire Haste 2 Mini Wireless

Specifications checked 27 Sept 2026Manufacturer specifications, not a hands-on test.

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The nearest checked mice by key specifications, with what differs from the HyperX Pulsefire Haste 2 Pro 4K Wireless. The first matches the Compare button above.

The useful part.

Key strengths

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.

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.

The checks that matter.

Before you buy

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.

HyperX gives no switch durability rating, minimum DPI or metric cable length, and does not say whether the 61 g figure includes the cable.

Every specification. With its source.

Full specifications

Exact configuration: Slate Grey · A1KY5AA · global manufacturer configuration

29 specifications in 7 groups. Values are manufacturer specifications unless a row says “Measured result” or “Calculated from cited specifications”.

Sensor & tracking

8 items
Maximum wireless report rate
4000 Hz

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.

Source
Minimum sensitivity
Not provided

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

Source
Maximum wired report rate
1000 Hz

HyperX's stated wired maximum.

Source
Published acceleration threshold
50 G

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

Source

Shape, weight & build

7 items
Body length
124.3 mmSource
Body width
66.8 mm

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

Source
Hand orientation
Symmetrical shape; side buttons on the left only

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.

Source
Lighting
RGB

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.

Source

Buttons & switches

3 items
Claimed main-switch durability
Not provided

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

Source

Connection & battery

4 items
Connections
2.4 GHz wireless receiver; Bluetooth; wired USB-C

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.

2 sources
Battery
Rechargeable Li-ion polymer; up to 90 hours at 1000 Hz, up to 30 hours at 4000 Hz

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

2 sources
Cable length
Not provided

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. · Only an imperial figure (5.9 ft) is published; not converted.

2 sources

Software & onboard memory

3 items
Onboard memory
Yes

The US specification table lists one onboard profile; the UK table shows a placeholder for this row.

Source
Onboard profile capacity
1 profile

One onboard profile, per the US specification table.

Source
Customisation software
HyperX NGENUITY

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.

2 sources

Box, compatibility & warranty

3 items
Listed compatibility
PC, PS5, Xbox Series X|S

HyperX's listed platforms; Xbox One and PS4 are not listed for this model. HyperX lists "Software Compatibility: NGENUITY" alongside them.

2 sources
Listed package
Mouse; HyperX Grips; low-friction skates; USB-C to USB-A cable; USB 4K wireless receiver; USB extension adapter; quick start guide

Manufacturer box contents. Check the seller's listing.

2 sources

Other details

1 item
Bluetooth version
Not listed by the manufacturer

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

2 sources
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