Logitech MX Master 3S review
A large, quiet, shaped mouse, and an honest look at what shaping a mouse can and cannot do.
A large shaped wireless mouse with quiet clicks, a free-spinning magnetic scroll wheel and an 8000 DPI sensor that tracks on glass.
Check price on AmazonSpecifications
| Spec | Detail |
|---|---|
| Sensor | 8000 DPI, tracks on any surface including glass |
| Clicks | Quiet Clicks, which Logitech states are 90% quieter than the previous model |
| Scrolling | MagSpeed magnetic wheel, stated as 90% faster and 87% more precise |
| Connectivity | Bluetooth only in this version, no USB receiver included |
| Devices | Up to 3 devices, Windows, macOS, ChromeOS and Linux |
| Software | Logi Options+ with per-application profiles and Flow cross-computer control |
| Materials | 27% post-consumer recycled plastic in Graphite |
| Approx. price | Around $80 |
Specifications above come from Logitech's published specifications. Treat pricing as approximate, since Amazon pricing moves.
What it does well
- The free-spinning scroll wheel is the reason to buy it. Flicking through a 200 page PDF in one gesture, then switching to notched scrolling for precise work, is a genuine daily improvement when your reading is long documents.
- Quiet clicks. Logitech states 90% less noise, and in a shared room the difference between a clicky mouse and this is noticeable to everyone but you.
- It tracks on glass and on a bare desk, so you do not need a mousepad, which is one less thing to carry.
- The thumb wheel handles horizontal scrolling, which is the difference between usable and painful when you work in spreadsheets.
- Per-application profiles mean the buttons can do different things in your PDF reader and in your browser, and setting that up once saves real time.
- It is comfortable for a medium to large hand over long sessions, which is what most study work involves.
Where it falls short
- It is a large mouse. If your hand is small, it will force a claw grip and be less comfortable than a cheaper, smaller mouse. Measure your hand against the dimensions before ordering.
- This particular version is Bluetooth only, with no USB receiver and no charging cable in the box. If your laptop's Bluetooth is unreliable, buy the version with the Bolt receiver instead.
- Ergonomic here describes a shape, not a medical claim. A shaped mouse can reduce strain compared with a flat one, but it keeps your forearm in the same pronated position. If you have wrist pain, a vertical mouse changes the position and is the more logical thing to try. If the pain persists, see a doctor rather than buying more equipment.
- Logi Options+ needs to be running for the customisation, and it is a heavier background application than a mouse warrants.
- Eighty dollars is a lot for a mouse when a $17 vertical one would answer a different and possibly more relevant question.
What owners report
The MX Master line has one of the longest owner-report histories of any peripheral, and the scroll wheel is what people name first, consistently, across generations. The 3S specifically is praised for the quieter switches, with owners who upgraded from the 3 describing the noise reduction as the most immediately noticeable change.
The recurring criticisms are size and software. Small-handed owners consistently report discomfort, which is a fit issue rather than a defect. Complaints about Logi Options+ are frequent and mostly about weight and account prompts rather than function.
A repeated theme worth naming for students: people who bought it to fix wrist pain report mixed results, while people who bought a vertical mouse for the same reason report more consistent change. Our vertical versus standard mouse comparison covers why the forearm angle is the variable that matters.
Who it suits
- Students who read long PDFs and scroll constantly.
- Anyone with a medium to large hand who uses a mouse for hours.
- People working across two computers, where Flow moves files and text between them.
Who should skip it
- Anyone with small hands, where a smaller mouse will be more comfortable and cheaper.
- Students with existing wrist pain, who should try a vertical mouse first and a doctor after that.
- Anyone who mainly uses a laptop trackpad and does not really need a mouse at all.
Alternatives worth considering
A fifth of the price, and it addresses a different problem: it rotates your forearm out of the pronated position that a conventional mouse holds it in. If discomfort rather than productivity is your reason for shopping, try this first.
Check price on AmazonThe newer model in the same line, with haptic feedback added. Forty dollars more for a refinement rather than a rethink, so it is only worth it if you want the latest revision.
Check price on AmazonThe matching keyboard, sharing the same software and the same cross-computer file transfer. If you are setting up a desk once, buying them together is how the features are meant to work.
Check price on AmazonCommon questions
Is the MX Master 3S worth it for a student?
It is if you read long documents and scroll constantly, because the free-spinning wheel genuinely changes that task. It is not if you mostly type, where the money is better spent on a keyboard or on raising your screen to the right height.
Vertical mouse or MX Master for wrist pain?
A vertical mouse, as the first thing to try. The MX Master's shape supports your hand but keeps your forearm rotated palm-down, which is the position associated with the discomfort. A vertical mouse rotates it toward a handshake position. Our vertical versus standard comparison explains the trade, including the retraining period. If pain persists, see a doctor; a mouse is not a treatment.
Is the MX Master 3S too big for small hands?
For many people, yes. It is a large mouse designed to fill a palm grip, and small-handed owners consistently report discomfort. Check the dimensions against your hand before buying rather than assuming you will adapt.
Does it need the Logitech software?
It works as a normal mouse without it. The per-application profiles, button remapping and cross-computer Flow all need Logi Options+ running, and those features are most of what you are paying for above a $25 mouse.
Bluetooth or the USB receiver version?
The version reviewed here is Bluetooth only and includes no receiver. Bluetooth is fine on a modern laptop and saves a USB port. If you use a desktop with unreliable Bluetooth, buy the variant that includes the Logi Bolt receiver instead.
Keep reading
- Vertical mouse vs standard mouse
- Logitech MX Keys S review
- Keychron K2 review
- Building a study environment that works
- Study essentials roundup
This review draws on published specifications, manufacturer figures and the consensus of verified owner reviews. We have not tested this product ourselves, and we say so rather than implying otherwise. As an Amazon Associate we earn from qualifying purchases.