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
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A 40-key QMK keyboard with a built-in 38mm trackball, sold as an assembled board that needs your own MX-compatible switches and keycaps.
Some specs could not be matched to a source · Last verified: 2026-10-17
~¥25,000
Where to buy
No US retailer found yet. Official site
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Pros
- Trackball can be used without leaving the home row
- Layout avoids straining the pinky and tucking the thumbs inward
- Angled key blocks let the shoulders open slightly
- Board comes pre-assembled, no soldering needed
Cons
- 40 switches, keycaps and a Micro-USB cable must be bought separately
- Consignment item with very limited stock
- Wired Micro-USB only
Specs
| Handedness | Ambidextrous |
|---|---|
| Ball size | 38 mm |
| Ball position | Center |
| Buttons | 40 |
| Scroll | None |
| Weight | — |
| Connectivity | USB |
| OS | windows, macos, linux |
| Released | — |
Sources
AD · detail-mid
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