Overview
The ENDGAME GEAR XM1r pairs a PixArt PAW3370 sensor with a 70g (cable excluded) symmetrical shell, aimed squarely at competitive FPS play. The short version: if you use a claw or fingertip grip and want a wired mouse with no charging, no dongle and no battery anxiety, it is still a solid pick.
If you palm-grip with large hands, need right-side buttons, or want 4K/8K polling over wireless, look elsewhere.
It launched in early 2021 as a refresh of the original XM1, keeping the well-liked shell while updating the sensor, switches and cable. Amazon.co.jp data captured in June 2026 shows 4.4 out of 5 stars across 1,672 reviews (88% on a 100-point scale).
Holding that rating on that review count, years after release, says the shell and click feel keep landing with a specific group of users.
How to Read the Spec Sheet
| Item | Value | What it actually means |
|---|---|---|
| Sensor | PixArt PAW3370 | One generation behind current, but rarely a limitation in play |
| Max CPI | 19,000 | Most players live at 400–1,600 CPI; the ceiling is not a buying criterion |
| Weight (no cable) | 70g | Not ultralight, but light enough to swing all session |
| Buttons | 5 | Left/right, two left-side buttons, wheel click |
| Switch | Kailh GM 8.0 | Gold-plated contacts, hand-sorted |
| Connection | USB wired | No latency worries, no battery to manage |
The 19,000 CPI figure is close to meaningless as a decision factor. Almost every competitive FPS player runs between 400 and 1,600 CPI, so the ceiling only tells you the sensor is modern enough not to break down on fast swipes.
Once you have confirmed that, move your attention to shape and weight — the overwhelming majority of mouse regrets come from shape, not sensors.
Weight works the same way. Around 2020, 70g defined "lightweight"; today 50g-class mice are common.
Even so, 70g sits in a band that avoids the "too light to stop where I want" problem some ultralights have, and low-sensitivity players who move their whole arm tend to benefit most.
Compatibility Guide
Connection is USB wired only — no wireless mode, no receiver. Windows and macOS handle basic movement and all five buttons with no driver, but changing CPI steps, remapping buttons, and adjusting angle snapping or ripple control require the dedicated software.
That software is built around Windows, so if macOS or Linux is your main environment, plan on configuring the mouse from a Windows machine first. If the settings are stored in onboard memory, you can run it software-free afterwards; confirm that on the manufacturer's product page before buying.
The cable is a flexible type designed to snag less when used with a mouse bungee. But a soft cable is an approximation of wireless, not a replacement for it.
Without a bungee, the cable's own weight pulls sideways against every movement. If you are buying a wired mouse specifically for the light feel, treat a bungee as a required accessory rather than an optional one.
The shell is symmetrical, but the side buttons are on the left only. This is a right-handed mouse with a symmetrical shape, not a true ambidextrous design.
Used left-handed, nothing sits under your thumb, so anything you normally bind to side buttons — crouch, melee, ping in most shooters — has to move to the keyboard. If you are shopping for a left-handed mouse, that single point should rule it out.
Port requirements are unremarkable: USB 2.0 is enough.
It works through hubs, but plugging directly into the PC is the safer choice for polling stability. On a laptop with only Type-C ports you will need an adapter.
Grip Fit
- Claw grip — the best match. With the palm lifted and the fingers carrying the load, the 70g weight and low shell height both work in your favour.
- Fingertip grip — workable. Smaller hands in particular will not notice excess length behind the fingers.
- Palm grip — the shell may be too short and too low. Past roughly 19cm of hand length, the rear stops supporting the palm and you drift into a forward-leaning posture.
Grip is decided less by how you want to hold a mouse and more by how the mouse makes you hold it. A palm-grip player on a small shell tends to unconsciously shift toward claw, concentrating strain at the wrist.
Measuring your current mouse and comparing dimensions is by far the most reliable check.
Where It Sits Against Rivals
The lightweight symmetrical category is now dominated by wireless options, including 50g-class bodies and newer PAW3395-generation sensors. Against that, three reasons still justify the XM1r:
Wired is a feature for you — no battery management, easy to move between PCs, no dongle to lose, no crowded 2.4GHz band to fight.
You care about click feel — Kailh GM 8.0 uses gold-plated contacts and is marketed as hand-sorted, aimed at consistent, crisp actuation.
This shell fits your hand — shape has no substitute.
If you already know the XM1 shell works for you, that alone is enough.
If none of those apply, a newer-generation wireless mouse will probably leave you happier.
Product Info
The configuration is as tabled above: PixArt PAW3370, up to 19,000 CPI, 70g without cable, five buttons, Kailh GM 8.0 switches, USB wired.
The manufacturer warranty is stated as two years. In the box: the mouse, USB cable, spare glide feet, and a manual.
Bundled spare skates matter more than they sound — feet are a consumable, and being able to swap them six to twelve months in without extra spend is genuinely useful.
On pricing, as captured: Rakuten (Happy and Happy) showed ¥10,590 as of 14 June... 14 August 2026, while the Amazon listing showed ￥4,980 as of 29 June 2026.
Those differ by more than 2x, so at least one of them has since moved or reflects a different condition, import route, or variant. Check the live listing for the current price, warranty coverage, and whether it is a domestic authorised unit before you buy.
The eBay entry is a search link only, with no confirmed figure.
Reviews on Amazon.co.jp, captured 29 June 2026, stand at 4.4 out of 5 across 1,672 reviews — 88% on a 100-point scale.
At that sample size, individual outliers get absorbed into the average, so the rating itself is reasonably trustworthy.
Product Disclosure (Amazon)
- Manufacturer: エンドゲームギア(Endgame Gear)
- ASIN: B08PL3HHNS
- Note: This article covers a manufacturer-made product based on Amazon listing details.
Best Use Cases
Competitive FPS players using claw or fingertip grips — 70g plus PAW3370 tracking handles both fast flicks and fine micro-adjustment. The lower your sensitivity and the more you move your arm, the more the reduced mass pays off.
Players who refuse to manage wireless overhead — dying mid-match on a flat battery, losing a dongle, or fighting a congested 2.4GHz band in a dorm or apartment block.
In those situations, wired is the feature.
Users who care about click quality — Kailh GM 8.0 targets durability with gold-plated contacts and delivers a distinct, defined press.
Good for people who value every click registering, over rapid-fire spam.
Anyone building a second/LAN setup — wired keeps setup trivial when you carry gear to someone else's desk.
Things to Check Before Buying
It may be too small for large hands and palm grips. This is the single biggest caveat.
The XM1 shell is low-profile and tends to leave the rear of the palm unsupported. Large-handed palm users end up with fingers locked out straight and strain concentrated at the base of the wrist over long sessions.
Measure the length, width, and peak height of your current mouse and compare against the published dimensions. Skip that check and you end up with a mouse you have no specific complaint about but never reach for.
It is awkward left-handed. Symmetrical shell, left-side buttons only — do not read "ambidextrous shape" as "ambidextrous mouse." If you are left-handed, look at products designed for it.
Wired means accepting a trade-off. A soft cable reduces drag; it does not remove it.
Budget for a mouse bungee. Without one, cable resistance cancels much of what the light body gives you.
Some features need the software. CPI steps and button remapping require the dedicated utility.
If macOS or Linux is your daily driver, make sure you have access to a Windows machine to write settings.
Watch for listing mismatches. Even in this article's data, the Rakuten and Amazon prices differ by more than 2x.
On a product this many years past launch, clearance stock, grey imports, used units, and alternate colours all crowd the same search results. When you open a listing, confirm from the images and title that it is actually the XM1r, then check the seller, warranty, and whether it is a domestic authorised unit.
Listing metadata such as manufacturer name or model number is occasionally wrong.
If you want the newest generation, this is not it. It is a 2021 design.
50g-class wireless mice with newer sensors and higher polling rates exist now. If cutting-edge specs are themselves part of the appeal, this product will not satisfy that.
FAQ
Q. Do I need 19,000 CPI? A.
Practically never. Competitive FPS play typically sits at 400–1,600 CPI.
Treat the ceiling as a rough indicator of sensor generation and decide on shape and weight instead.
Q. Is 70g still light? A.
Not ultralight, but comfortably light in practice. 50g-class options exist, though some players find very light mice harder to stop precisely.
Think of 70g as trading extreme lightness for control.
Q. Can left-handed players use it? A.
You can hold it, but with side buttons on the left only, your thumb reaches nothing. Either go without side buttons or choose a mouse designed for left-handed use.
Q. Does it work without software? A.
Movement and clicking work plug-and-play on Windows and macOS. CPI changes and remapping need the utility.
Check the manufacturer's page on whether settings persist onboard.
Q. Are the feet replaceable? A.
Yes — spare glide feet are included. They are a consumable, so swap them once the glide degrades.
Third-party replacement skates are widely available.
Q. How much should I trust the review score? A.
As captured on 29 June 2026, Amazon.co.jp shows 4.4 out of 5 from 1,672 reviews.
Above 1,000 reviews the average is fairly stable. Note that some ratings reflect complaints about condition or import source rather than the product itself, so still verify the seller.
