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
神沼雑貨 TinyTB
TinyTB is a credit-card-sized, 6-key wireless DIY trackball kit built on a XIAO BLE and a PMW3610 sensor, with ball cases for 12mm and 25mm balls.
Some specs could not be matched to a source · Last verified: 2026-10-17
~¥7,000
Where to buy
No US retailer found yet. Official site
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Pros
- Credit-card footprint, easy to carry
- Supports Kailh Choc v1/v2 and Cherry MX switches
- Includes ball cases for both 12mm and 25mm balls
Cons
- Solder-required kit; MCU, switches and battery are bought separately
- Development-support edition with no support
- No dedicated scroll mechanism is described
Specs
| Handedness | Ambidextrous |
|---|---|
| Ball size | 12 mm |
| Ball position | Center |
| Buttons | 6 |
| Scroll | None |
| Weight | — |
| Connectivity | Bluetooth |
| OS | windows, macos, linux, ios, android |
| Released | — |
Sources
AD · detail-mid
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