TrackballsKensington Expert Mouse Wired Trackball K64325
A wired USB symmetrical trackball with a 55 mm ball, a scroll ring and 4 buttons, supplied with a detachable wrist rest.
~$87.65
ELECOM M-XT2URBK
A wired USB thumb-operated trackball from ELECOM with five buttons and a tilt wheel, released in 2015 and now discontinued.
Key specs auto-matched against source pages · Last verified: 2026-10-17
~¥8,382
Where to buy
No US retailer found yet. Official site
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Pros
- Pointer speed switches between 750 and 1500 counts, plus a button that slows the pointer while held
- Button functions can be reassigned with ELECOM Mouse Assistant
- The ball can be removed through a hole on the underside for cleaning
- Tilt wheel enables horizontal scrolling
Cons
- Wired only, with a cable of about 1.5 m
- Discontinued
- A review notes that thumb operation takes time to get used to
Specs
| Handedness | Right |
|---|---|
| Ball size | 34 mm |
| Ball position | Thumb |
| Buttons | 5 |
| Scroll | Wheel |
| Weight | 154 g |
| Connectivity | USB |
| OS | windows, macos |
| Released | 2015 |
AD · detail-mid
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