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
KEEB LABORATORY omni TB
A DIY dual-trackball mouse kit with a 44mm main ball, a 19mm sub ball and a 1.28-inch round touch display, also sold pre-assembled; balls are not included.
Some specs could not be matched to a source · Last verified: 2026-10-17
~¥16,000
Where to buy
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Pros
- Dual trackballs: 44mm main and 19mm sub
- Built-in 1.28-inch round touch display
- Available as a kit (from 16,000 JPY) or pre-assembled (25,000 JPY)
- Uses a PMW3360 sensor
Cons
- The 44mm and 19mm balls are not included and must be bought separately
- The kit requires soldering and firmware flashing
- 3D-printed PLA case shows layer lines and unit variation and may deform in high heat
- Most color options are out of stock
Specs
| Handedness | Ambidextrous |
|---|---|
| Ball size | 44 mm |
| Ball position | Center |
| Buttons | 7 |
| Scroll | Ball |
| Weight | — |
| Connectivity | USB |
| OS | windows, macos, linux |
| Released | 2025 |
Sources
AD · detail-mid
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