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
ThumbsUp! Huge Trackball V4
An open-source, PCB-based finger-operated trackball running ZMK on a nice!nano, supporting 34 to 55 mm balls with wired, Bluetooth or dongle connection.
Some specs could not be matched to a source · Last verified: 2026-10-17
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Where to buy
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Pros
- Interchangeable ball support plates for several ball sizes
- Wired, Bluetooth and USB dongle connection
- ZMK-based firmware allows remapping
Cons
- DIY design that requires assembly
- Button bindings are still not finalized by the author
- Sold via Etsy rather than regular retail
Specs
| Handedness | Right |
|---|---|
| Ball size | 52.5 mm |
| Ball position | Finger |
| Buttons | 8 |
| Scroll | None |
| Weight | — |
| Connectivity | USB, Bluetooth, USB receiver |
| OS | windows, macos, linux, ios, android |
| Released | — |
Sources
AD · detail-mid
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