MICE · YOUR NEXT FACE-OFF

Logitech MX Master 3S Bluetooth Edition vs Logitech MX Master 4

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

Compared products

YOUR FIRST CHOICE

Logitech MX Master 3S Bluetooth Edition

Graphite · 910-007501 · UK Bluetooth Edition configuration

Full product profile Official image

Exact model & source notes

The MX Master 3S Bluetooth Edition (UK part 910-007501, Graphite) is Logitech's right-handed productivity mouse sold without a receiver: it pairs over Bluetooth Low Energy (a Logi Bolt receiver can be added separately), and has Quiet Clicks, the MagSpeed scroll wheel, a thumb wheel and seven buttons, tracking at 200–8,000 DPI including on glass of at least 4 mm thickness.

Specifications checked 26 Sept 2026.

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

Manufacturer specifications

WHAT DIFFERS

7Listed controls8

1 of 5 verified differences, in the order listed below. Not a rating.

See the 5 verified differences

THE CONTENDER

Logitech MX Master 4

Graphite · 910-007562 · UK manufacturer configuration

Full product profile Official image

Exact model & source notes

The MX Master 4 (UK part 910-007562, Graphite) is a Logitech productivity mouse with a Haptic Sense Panel and customisable haptic feedback. It has eight buttons, tracks at 200–8,000 DPI including on glass of at least 4 mm thickness, pairs with up to three devices, and ships with a USB-C Logi Bolt receiver as well as Bluetooth.

Specifications checked 26 Sept 2026.

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

Manufacturer specifications

MX Master 3S Bluetooth Edition UK & US retailers

UK & US price history: no verified listing yet

MX Master 4 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 SIDE5 topics

SELECTED TOPIC

01 / 05

Connections

Check the exact configuration and source conditions for your use.

Logitech MX Master 3S Bluetooth EditionBluetooth Low Energy; Logi Bolt compatible with a separately bought Logi Bolt receiver (not included)

Manufacturer specification · Package lists the mouse and user documentation only. Logitech support states the mouse is Logi Bolt compatible and can be connected to a Logi Bolt receiver (not included). Not compatible with Logitech Unifying USB Receiver technology.

Source 1 Source 2 Source 3

Logitech MX Master 4Bluetooth Low Energy (5.1); Logi Bolt USB-C receiver included

Manufacturer specification · Logitech states compatibility with both USB-C and USB-A Bolt receivers; the box contents list a USB-C Bolt receiver.

Source 1

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 ↓

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

Connections

In Visual facts

Logitech MX Master 3S Bluetooth EditionBluetooth Low Energy; Logi Bolt compatible with a separately bought Logi Bolt receiver (not included)

Logitech MX Master 4Bluetooth Low Energy (5.1); Logi Bolt USB-C receiver included

Sources

Logitech MX Master 3S Bluetooth Edition

Logitech UK — MX Master 3S Bluetooth Edition product page and technical specifications Logitech US — MX Master 3S Bluetooth Edition product page and technical specifications Logitech Support — Specification - MX Master 3S Bluetooth Edition

Logitech MX Master 4

Manufacturer specification · Logitech states compatibility with both USB-C and USB-A Bolt receivers; the box contents list a USB-C Bolt receiver.

Logitech UK — MX Master 4 product page and technical specifications

Check the exact configuration and source conditions for your use.

Listed controls

In Visual facts

Logitech MX Master 3S Bluetooth Edition7

Logitech MX Master 48

Sources

Logitech MX Master 3S Bluetooth Edition

Manufacturer specification · Logitech lists left/right click, back/forward, app-switch (gesture), wheel mode-shift and middle click; scroll and thumb wheels are separate.

Logitech UK — MX Master 3S Bluetooth Edition product page and technical specifications

Logitech MX Master 4

Manufacturer specification · Logitech support lists Haptic Sense Panel, Gesture, Back, Forward, Top, Wheel and Left/Right.

Logitech UK — MX Master 4 product page and technical specifications Logitech Support — Specification - MX Master 4

Physical clicks, programmable wheel actions and optional side buttons can produce different counts. Read each configuration; a larger count does not establish better control or programmability.

Battery

In Visual facts

Logitech MX Master 3S Bluetooth EditionRechargeable Li-Po (500 mAh); up to 70 days on a full charge; one-minute quick charge gives three hours of use

Logitech MX Master 4Rechargeable 650 mAh; up to 70 days per full charge; three hours from a one-minute charge

Sources

Logitech MX Master 3S Bluetooth Edition

Manufacturer specification · Logitech notes battery life may vary based on user and computing conditions. The quick charge uses a USB-C cable that is not included.

Logitech UK — MX Master 3S Bluetooth Edition product page and technical specifications Logitech Support — Specification - MX Master 3S Bluetooth Edition

Logitech MX Master 4

Manufacturer specification · Manufacturer claims; battery not user-replaceable.

Logitech UK — MX Master 4 product page and technical specifications Logitech Support — Specification - MX Master 4

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

Listed package

In Visual facts

Logitech MX Master 3S Bluetooth EditionMouse; user documentation

Logitech MX Master 4Mouse; USB-C Bolt receiver; user documentation

Sources

Logitech MX Master 3S Bluetooth Edition

Manufacturer specification · No Logi Bolt receiver in this edition.

Logitech MX Master 4

Manufacturer specification · USB-C charging cable not included.

Logitech UK — MX Master 4 product page and technical specifications

Check the exact configuration and source conditions for your use.

Dimensions

In Visual facts

Logitech MX Master 3S Bluetooth Edition124.9 × 84.3 × 51 mm (manufacturer-labelled height × width × depth)

Logitech MX Master 4128.15 × 88.35 × 50.8 mm (manufacturer-labelled height × width × depth)

Sources

Logitech MX Master 3S Bluetooth Edition

Manufacturer specification · Preserves the manufacturer’s exact height, width and depth labels. No manufacturer dimension diagram establishes an alternative front-to-back length or vertical-height axis mapping.

Logitech UK — MX Master 3S Bluetooth Edition product page and technical specifications

Logitech MX Master 4

Logitech UK — MX Master 4 product page and technical specifications Logitech Support — Specification - MX Master 4

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

Small physical differences (1)

Body width

Logitech MX Master 3S Bluetooth Edition84.3 mm

Logitech MX Master 488.35 mm

Sources

Logitech MX Master 3S Bluetooth Edition

Manufacturer specification · Manufacturer-listed Width; the source does not identify the measurement basis or a distinct grip-width measurement.

Logitech UK — MX Master 3S Bluetooth Edition product page and technical specifications Logitech Support — Specification - MX Master 3S Bluetooth Edition

Logitech MX Master 4

Manufacturer specification · Manufacturer-listed Width; the source does not identify the measurement basis or a distinct grip-width measurement.

Logitech UK — MX Master 4 product page and technical specifications

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

Configuration & compatibility details (2)

Hand orientation

Logitech MX Master 3S Bluetooth EditionRight-handed sculpted shell; thumb wheel and thumb buttons on the left side

Logitech MX Master 4Right-handed sculpted shell; thumb wheel, thumb buttons and Haptic Sense Panel on the left side

Sources

Logitech MX Master 3S Bluetooth Edition

Manufacturer specification · From the manufacturer's product views, the 'Hand sculpted' description and its side thumb-wheel and thumb-control description.

Logitech UK — MX Master 3S Bluetooth Edition product page and technical specifications

Logitech MX Master 4

Manufacturer specification · From the manufacturer's product views; Logitech's tables have no explicit hand-orientation field.

Logitech UK — MX Master 4 product page and technical specifications

Both sources describe right-hand controls. Their wording does not establish a different hand orientation or identical shape and comfort.

Supported operating systems

Logitech MX Master 3S Bluetooth EditionWindows 10/11+, macOS 10.15+, iPadOS 14+, Android 8.0+; Linux and ChromeOS basic functions

Logitech MX Master 4Bluetooth: Windows 11+, macOS 13+, iPadOS 15+, Android 12+, Linux and ChromeOS basic functions; Bolt receiver (USB-C or USB-A port required): Windows 10/11+, macOS 13+, Linux, ChromeOS

Sources

Logitech MX Master 3S Bluetooth Edition

Manufacturer specification · Bluetooth Low Energy required. Basic functions without software on systems other than Windows and macOS. Logitech also lists it as Engineered for Intel® Evo™ Laptops.

Logitech UK — MX Master 3S Bluetooth Edition product page and technical specifications

Logitech MX Master 4

Manufacturer specification · Options+ customisation on Windows and macOS; basic functions without software elsewhere.

Logitech UK — MX Master 4 product page and technical specifications

These descriptions or measurements differ. Wording alone does not establish a different capability; check the exact configuration.

Missing or non-comparable evidence (10)

Sensor model

Logitech MX Master 3S Bluetooth EditionNot verified

Logitech MX Master 4Not verified

Sources

Logitech MX Master 3S Bluetooth Edition

The individually read exact manufacturer/source inventory does not identify a hardware sensor model. · Manufacturer specification · Darkfield high precision tracking technology and supported sensitivity/glass claims remain separately represented.

Logitech UK — MX Master 3S Bluetooth Edition product page and technical specifications Logitech Support — Specification - MX Master 3S Bluetooth Edition

Logitech MX Master 4

Logitech UK — MX Master 4 product page and technical specifications Logitech Support — Specification - MX Master 4

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

Maximum report rate

Logitech MX Master 3S Bluetooth EditionNot verified

Logitech MX Master 4125 Hz

Sources

Logitech MX Master 3S Bluetooth Edition

Logitech does not list a report rate for this model. · Manufacturer specification

Logitech UK — MX Master 3S Bluetooth Edition product page and technical specifications

Logitech MX Master 4

Manufacturer specification · Logitech support lists 125 Hz (8 ms) for both the USB receiver and Bluetooth.

Logitech Support — Specification - MX Master 4

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

Glide feet

Logitech MX Master 3S Bluetooth EditionPTFE

Logitech MX Master 4Not verified

Sources

Logitech MX Master 3S Bluetooth Edition

Manufacturer specification · Logitech's support specification rates the PTFE feet for a 250 km range.

Logitech Support — Specification - MX Master 3S Bluetooth Edition

Logitech MX Master 4

No source recorded for this side.

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

Haptic feedback

Logitech MX Master 3S Bluetooth EditionNot verified

Logitech MX Master 4Haptic Sense Panel; customisable haptics for Options+ features (Actions Ring, Smart Actions, Gestures) and plugins for Adobe Photoshop, Adobe Lightroom Desktop and Zoom; native Advanced Haptics integration on Windows11

Sources

Logitech MX Master 3S Bluetooth Edition

No source recorded for this side.

Logitech MX Master 4

Manufacturer specification · Options+ features and plugin customisation require Logi Options+ on Windows/macOS. The actual26September2026 technical inventory lists Adobe Premiere Pro as “Coming in October”; current availability is unverified. Native Windows haptics require the Windows11 update from the end of March2026 onwards; the feature instructions say to update mouse firmware through Options+ device settings, and control native haptics in Windows OS settings. No particular firmware version or independently tested app coverage is established.

Logitech UK — MX Master 4 product page and technical specifications Logitech Support — Specification - MX Master 4

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

Materials

Logitech MX Master 3S Bluetooth EditionMade with recycled plastic

Logitech MX Master 4Not verified

Sources

Logitech MX Master 3S Bluetooth Edition

Manufacturer specification · The exact UK Graphite910-007501 store claim is27% certified PCR plastic, excluding packaging and printed wiring assembly; the US Graphite/Black page also gives27%. Support separately states “PCR85% in dark colors” without enumerating those colours or the same denominator. Preserve both scoped claims without asserting an established same-basis contradiction or selecting a universal percentage.

Logitech MX Master 4

No source recorded for this side.

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

Multi-device pairing

Logitech MX Master 3S Bluetooth EditionNot verified

Logitech MX Master 4Up to three devices; switch via the Easy-Switch buttons on the mouse or the Actions Ring

Sources

Logitech MX Master 3S Bluetooth Edition

No source recorded for this side.

Logitech MX Master 4

Manufacturer specification · File transfer across devices uses Logi Options+.

Logitech UK — MX Master 4 product page and technical specifications

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

Claimed main-button durability

Logitech MX Master 3S Bluetooth Edition10 million clicks (left / right buttons)

Logitech MX Master 4Not verified

Sources

Logitech MX Master 3S Bluetooth Edition

Manufacturer specification

Logitech Support — Specification - MX Master 3S Bluetooth Edition

Logitech MX Master 4

No source recorded for this side.

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

Limited hardware warranty

Logitech MX Master 3S Bluetooth EditionConflicting evidence

Logitech MX Master 4Conflicting evidence

Sources

Logitech MX Master 3S Bluetooth Edition

Logitech UK lists a 2-year limited hardware warranty; Logitech US lists 1 year. Regional terms differ. · Manufacturer specification

Logitech UK — MX Master 3S Bluetooth Edition product page and technical specifications Logitech US — MX Master 3S Bluetooth Edition product page and technical specifications

Logitech MX Master 4

Logitech UK lists a 2-year limited hardware warranty; Logitech US lists 1 year. Regional terms differ. · Manufacturer specification

Logitech UK — MX Master 4 product page and technical specifications Logitech US — MX Master 4 product page and technical specifications

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

Body length

Logitech MX Master 3S Bluetooth EditionNot verified

Logitech MX Master 4Not verified

Sources

Logitech MX Master 3S Bluetooth Edition

The source labels its first dimension Height and provides no diagram establishing front-to-back body length. · Manufacturer specification · The raw manufacturer-labelled H/W/D triplet remains preserved in Dimensions. Do not rename the listed Height as Length or use it as a typed length input.

Logitech UK — MX Master 3S Bluetooth Edition product page and technical specifications

Logitech MX Master 4

Logitech UK — MX Master 4 product page and technical specifications

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

Weight

Logitech MX Master 3S Bluetooth Edition141 g

Logitech MX Master 4150 g

Sources

Logitech MX Master 3S Bluetooth Edition

Manufacturer specification · Manufacturer-listed mouse weight.

Logitech UK — MX Master 3S Bluetooth Edition product page and technical specifications

Logitech MX Master 4

Manufacturer specification · Manufacturer-listed mouse weight.

Logitech UK — MX Master 4 product page and technical specifications Logitech Support — Specification - MX Master 4

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

8 shared fields have the same recorded value.

WHAT EACH CHOICE ASKS OF YOU

What it brings and what to check

Logitech MX Master 3S Bluetooth Edition

What it brings

Seven buttons, a separate thumb wheel and the electromagnetic MagSpeed wheel give many shortcut and scrolling options, customisable in Logi Options+ on Windows and macOS, which also provides Flow for moving the cursor and copying and pasting between computers.
Manufacturer source
The Darkfield sensor is adjustable from 200 to 8,000 DPI in 50 DPI steps, and Logitech says it tracks on glass with a 4 mm minimum thickness.
Manufacturer source
Logitech states its Quiet Clicks have 90% less left and right click Sound Power Level than the MX Master 3, measured at 1 m.
Manufacturer source
Works over Bluetooth with Windows, macOS, iPadOS, Android, Linux and ChromeOS; Logitech rates it for up to 70 days on a full charge and three hours of use from a one-minute USB-C quick charge.
Manufacturer source Manufacturer source

What to check

This edition ships with only the mouse and documentation: no receiver and no USB-C cable. A Logi Bolt receiver must be bought separately to use one, and Unifying receivers are not supported.
Manufacturer source Manufacturer source Manufacturer source
It weighs 141 g and is 84.3 mm wide, with a shape sculpted for the right hand.
Manufacturer source
Logitech does not publish a report rate, and the warranty differs by region (2 years UK, 1 year US).
Manufacturer source Manufacturer source

Logitech MX Master 4

What it brings

Eight buttons, including a thumb-side Haptic Sense Panel and gesture button, plus a MagSpeed wheel with SmartShift and a horizontal thumb wheel.
Manufacturer source Manufacturer source
Two ways to connect out of the box: Bluetooth Low Energy 5.1 or the included USB-C Bolt receiver (USB-A Bolt receivers are also compatible), with up to three paired devices switched by Easy-Switch buttons or the Actions Ring.
Manufacturer source
Logitech rates the 650 mAh battery at up to 70 days per charge, with three hours of use from a one-minute charge.
Manufacturer source Manufacturer source
Logitech lists haptic feedback for Actions Ring, Smart Actions and Gestures in Logi Options+, plus plugins for Photoshop, Lightroom Desktop and Zoom. Native Windows11 Advanced Haptics requires the update from the end of March2026 onwards and updating mouse firmware through Options+; native controls are in Windows settings.
Manufacturer source
Logitech states its Quiet Clicks have 90% less left and right click Sound Power Level than the MX Master 3.
Manufacturer source

What to check

It weighs150g and Logitech lists Width88.35mm, with a shape sculpted for the right hand; the USB-C charging cable is not included. Its full dimensions retain Logitech’s original Height×Width×Depth labels.
Manufacturer source Manufacturer source
Logitech support lists a 125 Hz report rate over both Bluetooth and the receiver; it is a productivity mouse, not a high-report-rate gaming design.
Manufacturer source
Full haptic and button customisation relies on Logi Options+ on Windows and macOS; Linux, ChromeOS, iPadOS 15+ and Android 12+ get basic functions without software. Over Bluetooth, Logitech lists Windows 11 or later and macOS 13 or later; with the Bolt receiver, Windows 10, 11 or later and macOS 13 or later.
Manufacturer source

COMPARE THE DETAILS

Full specifications

How we verify

Differences only

26 of 26 specifications Sources in each row

Source-backed specifications for Logitech MX Master 3S Bluetooth Edition and Logitech MX Master 4
Specification	Logitech MX Master 3S Bluetooth Edition	Logitech MX Master 4

WeightDifferent Sources Logitech MX Master 3S Bluetooth Edition Manufacturer specification · Manufacturer-listed mouse weight. Logitech UK — MX Master 3S Bluetooth Edition product page and technical specifications Logitech MX Master 4 Manufacturer specification · Manufacturer-listed mouse weight. Logitech UK — MX Master 4 product page and technical specifications Logitech Support — Specification - MX Master 4	141 g	150 g
DimensionsDifferent Sources Logitech MX Master 3S Bluetooth Edition Manufacturer specification · Preserves the manufacturer’s exact height, width and depth labels. No manufacturer dimension diagram establishes an alternative front-to-back length or vertical-height axis mapping. Logitech UK — MX Master 3S Bluetooth Edition product page and technical specifications Logitech MX Master 4 Manufacturer specification · Preserves the manufacturer’s exact height, width and depth labels. No manufacturer dimension diagram establishes an alternative front-to-back length or vertical-height axis mapping. Logitech UK — MX Master 4 product page and technical specifications Logitech Support — Specification - MX Master 4	124.9 × 84.3 × 51 mm (manufacturer-labelled height × width × depth)	128.15 × 88.35 × 50.8 mm (manufacturer-labelled height × width × depth)
Body widthDifferent Sources Logitech MX Master 3S Bluetooth Edition Manufacturer specification · Manufacturer-listed Width; the source does not identify the measurement basis or a distinct grip-width measurement. Logitech UK — MX Master 3S Bluetooth Edition product page and technical specifications Logitech Support — Specification - MX Master 3S Bluetooth Edition Logitech MX Master 4 Manufacturer specification · Manufacturer-listed Width; the source does not identify the measurement basis or a distinct grip-width measurement. Logitech UK — MX Master 4 product page and technical specifications	84.3 mm	88.35 mm
Hand orientationDifferent Sources Logitech MX Master 3S Bluetooth Edition Manufacturer specification · From the manufacturer's product views, the 'Hand sculpted' description and its side thumb-wheel and thumb-control description. Logitech UK — MX Master 3S Bluetooth Edition product page and technical specifications Logitech MX Master 4 Manufacturer specification · From the manufacturer's product views; Logitech's tables have no explicit hand-orientation field. Logitech UK — MX Master 4 product page and technical specifications	Right-handed sculpted shell; thumb wheel and thumb buttons on the left side	Right-handed sculpted shell; thumb wheel, thumb buttons and Haptic Sense Panel on the left side
Glide feet Sources Logitech MX Master 3S Bluetooth Edition Manufacturer specification · Logitech's support specification rates the PTFE feet for a 250 km range. Logitech Support — Specification - MX Master 3S Bluetooth Edition Logitech MX Master 4 No source recorded.	PTFE	Not provided

Tracking technology Sources Logitech MX Master 3S Bluetooth Edition Manufacturer specification · Original manufacturer description: Darkfield high precision optical sensor. Logitech does not publish a sensor part number. Logitech says it tracks virtually anywhere, even on glass, with a 4 mm minimum glass thickness. This identifies the advertised tracking technology; it does not identify a hardware sensor part or establish a hardware-generation difference from another Darkfield description. Logitech UK — MX Master 3S Bluetooth Edition product page and technical specifications Logitech Support — Specification - MX Master 3S Bluetooth Edition Logitech MX Master 4 Manufacturer specification · Original manufacturer description: Darkfield high precision sensor. Logitech does not publish a sensor part number. Logitech says it works on virtually any surface, even glass, with a 4 mm minimum glass thickness. This identifies the advertised tracking technology; it does not identify a hardware sensor part or establish a hardware-generation difference from another Darkfield description. Logitech UK — MX Master 4 product page and technical specifications Logitech Support — Specification - MX Master 4	Darkfield high precision	Darkfield high precision
Minimum sensitivity Sources Logitech MX Master 3S Bluetooth Edition Manufacturer specification · Adjustable in 50 DPI increments; nominal 1,000 DPI. Logitech UK — MX Master 3S Bluetooth Edition product page and technical specifications Logitech MX Master 4 Manufacturer specification · Adjustable in 50 DPI increments; nominal 1,000 DPI. Logitech UK — MX Master 4 product page and technical specifications Logitech Support — Specification - MX Master 4	200 DPI	200 DPI
Maximum sensitivity Sources Logitech MX Master 3S Bluetooth Edition Manufacturer specification · Adjustable in 50 DPI increments; nominal 1,000 DPI. Logitech UK — MX Master 3S Bluetooth Edition product page and technical specifications Logitech MX Master 4 Manufacturer specification · Adjustable in 50 DPI increments. Logitech UK — MX Master 4 product page and technical specifications Logitech Support — Specification - MX Master 4	8000 DPI	8000 DPI
Maximum report rate Sources Logitech MX Master 3S Bluetooth Edition Logitech does not list a report rate for this model. · Manufacturer specification Logitech UK — MX Master 3S Bluetooth Edition product page and technical specifications Logitech MX Master 4 Manufacturer specification · Logitech support lists 125 Hz (8 ms) for both the USB receiver and Bluetooth. Logitech Support — Specification - MX Master 4	Not listed by the manufacturer	125 Hz

Listed controlsDifferent Sources Logitech MX Master 3S Bluetooth Edition Manufacturer specification · Logitech lists left/right click, back/forward, app-switch (gesture), wheel mode-shift and middle click; scroll and thumb wheels are separate. Logitech UK — MX Master 3S Bluetooth Edition product page and technical specifications Logitech MX Master 4 Manufacturer specification · Logitech support lists Haptic Sense Panel, Gesture, Back, Forward, Top, Wheel and Left/Right. Logitech UK — MX Master 4 product page and technical specifications Logitech Support — Specification - MX Master 4	7	8
Claimed main-button durability Sources Logitech MX Master 3S Bluetooth Edition Manufacturer specification Logitech Support — Specification - MX Master 3S Bluetooth Edition Logitech MX Master 4 No source recorded.	10 million clicks (left / right buttons)	Not provided
Scroll controls Sources Logitech MX Master 3S Bluetooth Edition Manufacturer specification · Original manufacturer description: MagSpeed electromagnetic scroll wheel with SmartShift (up to 1,000 lines per second); separate thumb wheel. The exact feature inventory establishes the thumb wheel’s horizontal scrolling. The up-to1000-lines-per-second figure is a manufacturer claim; electromagnetic/mode details retain their original source scope. Shared named controls do not establish tested speed or accuracy superiority. Logitech UK — MX Master 3S Bluetooth Edition product page and technical specifications Logitech MX Master 4 Manufacturer specification · Original manufacturer description: MagSpeed wheel with SmartShift: ratchet mode and hyper-fast mode (up to 1,000 lines per second); thumb wheel for horizontal scrolling. The exact feature inventory establishes the thumb wheel’s horizontal scrolling. The up-to1000-lines-per-second figure is a manufacturer claim; electromagnetic/mode details retain their original source scope. Shared named controls do not establish tested speed or accuracy superiority. Logitech UK — MX Master 4 product page and technical specifications	MagSpeed wheel with SmartShift; thumb wheel	MagSpeed wheel with SmartShift; thumb wheel

ConnectionsDifferent Sources Logitech MX Master 3S Bluetooth Edition Manufacturer specification · Package lists the mouse and user documentation only. Logitech support states the mouse is Logi Bolt compatible and can be connected to a Logi Bolt receiver (not included). Not compatible with Logitech Unifying USB Receiver technology. Logitech UK — MX Master 3S Bluetooth Edition product page and technical specifications Logitech US — MX Master 3S Bluetooth Edition product page and technical specifications Logitech Support — Specification - MX Master 3S Bluetooth Edition Logitech MX Master 4 Manufacturer specification · Logitech states compatibility with both USB-C and USB-A Bolt receivers; the box contents list a USB-C Bolt receiver. Logitech UK — MX Master 4 product page and technical specifications	Bluetooth Low Energy; Logi Bolt compatible with a separately bought Logi Bolt receiver (not included)	Bluetooth Low Energy (5.1); Logi Bolt USB-C receiver included
BatteryDifferent Sources Logitech MX Master 3S Bluetooth Edition Manufacturer specification · Logitech notes battery life may vary based on user and computing conditions. The quick charge uses a USB-C cable that is not included. Logitech UK — MX Master 3S Bluetooth Edition product page and technical specifications Logitech Support — Specification - MX Master 3S Bluetooth Edition Logitech MX Master 4 Manufacturer specification · Manufacturer claims; battery not user-replaceable. Logitech UK — MX Master 4 product page and technical specifications Logitech Support — Specification - MX Master 4	Rechargeable Li-Po (500 mAh); up to 70 days on a full charge; one-minute quick charge gives three hours of use	Rechargeable 650 mAh; up to 70 days per full charge; three hours from a one-minute charge
Charging connector Sources Logitech MX Master 3S Bluetooth Edition Manufacturer specification · USB-C cable not included (Logitech support specification). Logitech Support — Specification - MX Master 3S Bluetooth Edition Logitech MX Master 4 Manufacturer specification · Charging cable not included. Logitech UK — MX Master 4 product page and technical specifications	USB-C	USB-C
Wireless range Sources Logitech MX Master 3S Bluetooth Edition Manufacturer specification · Range may vary with operating environment and computer setup. Logitech UK — MX Master 3S Bluetooth Edition product page and technical specifications Logitech MX Master 4 Manufacturer specification Logitech UK — MX Master 4 product page and technical specifications	10 m	10 m

Customisation software Sources Logitech MX Master 3S Bluetooth Edition Manufacturer specification · Original source-supported software description retained: Logi Options+ (Windows and macOS): button customisation, tracking speed, app-specific customisations, Smart Actions and Flow (cursor, copy and paste across computers). This is the shared primary customisation app, not a complete feature-equivalence claim. The reviewed source does not resolve Tune, Actions Ring, plugin or haptic support for this predecessor; no counterpart absence is inferred from its shorter feature inventory. Logitech UK — MX Master 3S Bluetooth Edition product page and technical specifications Logitech MX Master 4 Manufacturer specification · Original source-supported software description retained: Logi Options+ (button shortcuts, tracking speed, app-specific presets, Smart Actions, plugins, Actions Ring, Flow file sharing and copy-paste across devices); basic support in Logi Tune. Shared primary app identity does not imply identical software features. Specifically stated Haptic Sense Panel, haptic/OS/firmware conditions and multi-device/Actions Ring functions remain in their separate existing fields and editorial. The predecessor source does not establish absence of the extra listed software functions. The September source plan for Premiere Pro is not verified current availability. Logitech UK — MX Master 4 product page and technical specifications	Logi Options+	Logi Options+

Click noise Sources Logitech MX Master 3S Bluetooth Edition Manufacturer specification · Logitech comparison with MX Master 3, measured at 1 m. Logitech UK — MX Master 3S Bluetooth Edition product page and technical specifications Logitech MX Master 4 Manufacturer specification · Logitech comparison with MX Master 3. Logitech UK — MX Master 4 product page and technical specifications	Quiet Clicks: 90% less left/right click Sound Power Level than MX Master 3	Quiet Clicks: 90% less left/right click Sound Power Level than MX Master 3
Supported operating systemsDifferent Sources Logitech MX Master 3S Bluetooth Edition Manufacturer specification · Bluetooth Low Energy required. Basic functions without software on systems other than Windows and macOS. Logitech also lists it as Engineered for Intel® Evo™ Laptops. Logitech UK — MX Master 3S Bluetooth Edition product page and technical specifications Logitech MX Master 4 Manufacturer specification · Options+ customisation on Windows and macOS; basic functions without software elsewhere. Logitech UK — MX Master 4 product page and technical specifications	Windows 10/11+, macOS 10.15+, iPadOS 14+, Android 8.0+; Linux and ChromeOS basic functions	Bluetooth: Windows 11+, macOS 13+, iPadOS 15+, Android 12+, Linux and ChromeOS basic functions; Bolt receiver (USB-C or USB-A port required): Windows 10/11+, macOS 13+, Linux, ChromeOS
Listed packageDifferent Sources Logitech MX Master 3S Bluetooth Edition Manufacturer specification · No Logi Bolt receiver in this edition. Logitech UK — MX Master 3S Bluetooth Edition product page and technical specifications Logitech US — MX Master 3S Bluetooth Edition product page and technical specifications Logitech Support — Specification - MX Master 3S Bluetooth Edition Logitech MX Master 4 Manufacturer specification · USB-C charging cable not included. Logitech UK — MX Master 4 product page and technical specifications	Mouse; user documentation	Mouse; USB-C Bolt receiver; user documentation
Materials Sources Logitech MX Master 3S Bluetooth Edition Manufacturer specification · The exact UK Graphite910-007501 store claim is27% certified PCR plastic, excluding packaging and printed wiring assembly; the US Graphite/Black page also gives27%. Support separately states “PCR85% in dark colors” without enumerating those colours or the same denominator. Preserve both scoped claims without asserting an established same-basis contradiction or selecting a universal percentage. Logitech UK — MX Master 3S Bluetooth Edition product page and technical specifications Logitech US — MX Master 3S Bluetooth Edition product page and technical specifications Logitech Support — Specification - MX Master 3S Bluetooth Edition Logitech MX Master 4 No source recorded.	Made with recycled plastic	Not provided
Multi-device pairing Sources Logitech MX Master 3S Bluetooth Edition No source recorded. Logitech MX Master 4 Manufacturer specification · File transfer across devices uses Logi Options+. Logitech UK — MX Master 4 product page and technical specifications	Not provided	Up to three devices; switch via the Easy-Switch buttons on the mouse or the Actions Ring
Haptic feedback Sources Logitech MX Master 3S Bluetooth Edition No source recorded. Logitech MX Master 4 Manufacturer specification · Options+ features and plugin customisation require Logi Options+ on Windows/macOS. The actual26September2026 technical inventory lists Adobe Premiere Pro as “Coming in October”; current availability is unverified. Native Windows haptics require the Windows11 update from the end of March2026 onwards; the feature instructions say to update mouse firmware through Options+ device settings, and control native haptics in Windows OS settings. No particular firmware version or independently tested app coverage is established. Logitech UK — MX Master 4 product page and technical specifications Logitech Support — Specification - MX Master 4	Not provided	Haptic Sense Panel; customisable haptics for Options+ features (Actions Ring, Smart Actions, Gestures) and plugins for Adobe Photoshop, Adobe Lightroom Desktop and Zoom; native Advanced Haptics integration on Windows11

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
Body length Sources Logitech MX Master 3S Bluetooth Edition The source labels its first dimension Height and provides no diagram establishing front-to-back body length. · Manufacturer specification · The raw manufacturer-labelled H/W/D triplet remains preserved in Dimensions. Do not rename the listed Height as Length or use it as a typed length input. Logitech UK — MX Master 3S Bluetooth Edition product page and technical specifications Logitech MX Master 4 The source labels its first dimension Height and provides no diagram establishing front-to-back body length. · Manufacturer specification · The raw manufacturer-labelled H/W/D triplet remains preserved in Dimensions. Do not rename the listed Height as Length or use it as a typed length input. Logitech UK — MX Master 4 product page and technical specifications	Not listed by the manufacturer	Not listed by the manufacturer
Limited hardware warranty Sources Logitech MX Master 3S Bluetooth Edition Logitech UK lists a 2-year limited hardware warranty; Logitech US lists 1 year. Regional terms differ. · Manufacturer specification Logitech UK — MX Master 3S Bluetooth Edition product page and technical specifications Logitech US — MX Master 3S Bluetooth Edition product page and technical specifications Logitech MX Master 4 Logitech UK lists a 2-year limited hardware warranty; Logitech US lists 1 year. Regional terms differ. · Manufacturer specification Logitech UK — MX Master 4 product page and technical specifications Logitech US — MX Master 4 product page and technical specifications	Conflicting sources	Conflicting sources
Sensor model Sources Logitech MX Master 3S Bluetooth Edition The individually read exact manufacturer/source inventory does not identify a hardware sensor model. · Manufacturer specification · Darkfield high precision tracking technology and supported sensitivity/glass claims remain separately represented. Logitech UK — MX Master 3S Bluetooth Edition product page and technical specifications Logitech Support — Specification - MX Master 3S Bluetooth Edition Logitech MX Master 4 The individually read exact manufacturer/source inventory does not identify a hardware sensor model. · Manufacturer specification · Darkfield high precision tracking technology and supported sensitivity/glass claims remain separately represented. Logitech UK — MX Master 4 product page and technical specifications Logitech Support — Specification - MX Master 4	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.