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Desk & Power review

Logitech MX Master 3S Review: It Tracks on Glass, and Polls at 125Hz

The only mouse in its lab group that worked on a clear glass desk. Also a productivity tool with a polling rate a fraction of any gaming mouse, which tells you exactly who it is for.

By Paulo GerchonPublished 2 min read

Placeholder graphic, not a product photo

Illustration, not a photo — we don’t have a licensed image of this product yet.

8.3/10

Logitech

Logitech MX Master 3S

Good · researched from 4 sources

The best mouse for someone who works across several machines and wants precision on any surface. Ignore it for gaming, where the polling rate makes the point for us, and skip it entirely if you are left-handed.

Buy if
Desks with more than one computer on them · Glass or awkward surfaces where optical mice usually fail · Long working days, where the shape and quiet clicks earn their keep
Skip if
Gaming, at 125Hz · Left-handed users, who have no version of this · Anyone who expects to replace a battery rather than a mouse

The surface test is the whole argument

TechGearLab ran ten wireless mice across a set of awkward surfaces. This was the only one that tracked on clear glass. It also handled a fabric couch, an uneven dining table, cardboard and a fiberglass desk without complaint.

That is the Darkfield sensor, which works by reading microscopic imperfections rather than the surface texture an ordinary optical mouse needs. On a glass desk or a glossy laminate, every cheap mouse stutters and this one does not.

They scored tracking 9.9, their highest category for it, on the way to ranking it first of ten.

And then there is the polling rate

Gadget Review noticed something the other reviews did not: the mouse reports its position 125 times a second. A gaming mouse does it a thousand times a second.

For moving a cursor to a menu, that difference is imperceptible, which is why nobody complains about it in normal use. For tracking a moving target, it is eight times less positional information.

This is not a defect. It is Logitech choosing battery life over responsiveness on a mouse aimed squarely at people writing documents, and the specification tells you who the product is for more honestly than any marketing copy.

The battery claim needs a caveat

Logitech says 70 days. TechGearLab and Reviewed both quote it.

Gadget Review measured 28 to 35 days under heavy daily use, which is roughly half. Neither figure is alarming for a mouse you charge over USB-C, and a one-minute top-up returns about three hours, so the practical experience is that it never actually dies on you.

The real battery complaint is different and it is unanimous between Reviewed and Gadget Review: the cell is not user replaceable. Getting to it needs specialist tools and risks the warranty. On a device this expensive, built for people who keep things, that is the flaw worth minding.

Shape, and who it excludes

TechGearLab scored comfort 8.6. Gadget Review rates it 9 out of 10 for medium to extra-large hands and describes ten to twelve hour days without fatigue.

It is also right-handed only, sculpted specifically, with no mirrored version. Gadget Review lists left-handed use in their skip-it column, and there is no workaround.

The small annoyances

TechGearLab found no storage for the Bolt receiver anywhere on the mouse, which matters the first time you travel with it, and stiff horizontal scrolling on the thumb wheel. They scored the scroll wheel 7.2, comfortably their weakest category despite the MagSpeed wheel being one of the headline features.

The wheel itself switches between ratcheted clicking and a free spin that Gadget Review clocks at a thousand lines a minute. That part works. It is the sideways axis that drags.

How it scored

The overall 8.3 is the weighted average of these five criteria — we never adjust it by hand.

Tracking and precision

25% of score9.5

TechGearLab scored tracking 9.9 and found it the only mouse in their group that worked on clear glass, plus fabric, cardboard and fiberglass.

Value

25% of score7.5

TechGearLab ranked it first of ten and Gadget Review scored it 88 out of 100, both while noting it costs well above an ordinary office mouse.

Build quality

17% of score7.5

Solid and rubberised, but both Reviewed and Gadget Review flag a non-replaceable battery that needs specialist tools and may void the warranty.

Ease of use

17% of score8.5

Three devices over Easy Switch, cursor movement between machines via Logi Flow, and clicks Logitech rates 90 percent quieter than the Master 3.

Ergonomics

17% of score8.0

TechGearLab scored comfort 8.6. Gadget Review rates it 9 out of 10 for medium to extra-large hands and notes it excludes left-handers entirely.

Pros and cons

What we liked

  • TechGearLab measured it tracking on clear glass, which nothing else in their group managed
  • Ranked first of ten wireless mice by TechGearLab with an overall 86
  • Clicks quiet enough that TechGearLab called it among the easiest and quietest to press
  • Switches between three machines, and Logi Flow moves the cursor between computers
  • 8,000 DPI adjustable in 50-step increments per Gadget Review

What we didn’t

  • Gadget Review measured 28 to 35 days of battery on heavy use against a 70-day claim
  • A 125Hz polling rate, which Gadget Review notes is eight times slower than a gaming mouse
  • The battery is not replaceable without specialist tools, and doing so may void the warranty
  • Right-handed only, with no left-handed version
  • TechGearLab found no dongle storage and stiff horizontal scrolling

Specifications

Specifications
SensorDarkfield, up to 8,000 DPI, adjustable in 50 DPI steps per Gadget Review
Polling rate125 Hz per Gadget Review
Weight141 g
Battery500 mAh; 70 days claimed, 28 to 35 days measured on heavy use by Gadget Review
Quick charge1 minute for about 3 hours of use per Gadget Review
Scroll wheelMagSpeed, ratchet and free-spin, 1,000 lines per minute in free-spin
ConnectivityBluetooth and Logi Bolt receiver, 3 devices
HandednessRight-handed only
SoftwareLogi Options+ with per-application profiles and Logi Flow

How we researched this

We have not had this unit on the bench. This review synthesises the manufacturer’s published specifications, independent measurements and owner reports listed below. Every figure on this page comes from one of those sources rather than our own measurement.

4

sources reviewed

TechGearLab ran the surface and click tests and supplies the category scores and the ranking against nine other wireless mice. Gadget Review supplies the DPI adjustment granularity, the polling rate and the measured battery result, which is the figure that disagrees with the manufacturer claim the other two repeat. Reviewed contributed the scroll wheel behaviour, the software description and the non-replaceable battery criticism. Where Logitech's 70-day battery claim meets Gadget Review's 28 to 35 day measurement we report both and say which is which.

Our full testing policy

Common questions

Does the MX Master 3S really work on glass?
Yes, and it was alone in doing so. TechGearLab put ten wireless mice through surface tests and reported this was the only one with no trouble tracking on clear glass. It also handled a fabric couch, an uneven dining table, cardboard and a fiberglass desk. That is the Darkfield sensor, and it is the single most practical advantage over a cheaper mouse if your desk is not a plain matte surface.
How long does the battery actually last?
Less than the box says, though still a long time. Logitech claims 70 days and both TechGearLab and Reviewed repeat it. Gadget Review measured 28 to 35 days under heavy daily use, which is roughly half. Either way you charge it monthly rather than weekly, and a one-minute charge returns about three hours, so running flat is not really a failure mode.
Can I use it for gaming?
Not seriously, and the specification says so before any reviewer does. Gadget Review flags a 125Hz polling rate, eight times slower than the 1,000Hz a gaming mouse runs at, meaning the mouse reports its position to the computer far less often. For pointing at things this is invisible. For tracking a target it is not. Their own recommendation is to skip it for gaming.
Are the clicks really quieter?
Measurably so in practice, if not in decibels here. Logitech claims 90 percent quieter than the previous Master 3, which Reviewed and Gadget Review both repeat. TechGearLab, who did handle the mice side by side, found it among the easiest and quietest to press in their group, with one thumb button a bit stiffer than the rest. For a shared office this pairs naturally with a quiet keyboard.
What happens when the battery dies for good?
You have a problem. Reviewed and Gadget Review both flag the 500 mAh cell as non-replaceable without specialist tools and significant effort, with warranty implications if you try. On a mouse at this price and with this expected lifespan, that is the most legitimate complaint in any of the three reviews.
8.3/10
Good

The bottom line on the Logitech MX Master 3S

The best mouse for someone who works across several machines and wants precision on any surface. Ignore it for gaming, where the polling rate makes the point for us, and skip it entirely if you are left-handed.

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