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
Sanwa Supply MA-TB39BK
A wired USB thumb-operated trackball from Sanwa Supply with three buttons and a scroll wheel, weighing 186 g.
Some specs could not be matched to a source · Last verified: 2026-10-17
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Where to buy
No US retailer found yet.
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Pros
- Thumb-operated ball lets you move the cursor without moving the wrist
- Reviews rate fit and tracking accuracy fairly well
- Ball area can be taken apart for cleaning
Cons
- Body is fairly large and may not suit small hands
- Only three buttons
- Reviewers report dirt around the ball support degrades tracking
Specs
| Handedness | Right |
|---|---|
| Ball size | — |
| Ball position | Thumb |
| Buttons | 3 |
| Scroll | Wheel |
| Weight | 186 g |
| Connectivity | USB |
| OS | windows, macos |
| Released | — |
Sources
AD · detail-mid
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