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
ELECOM DEFT M-DT1DRBK
ELECOM's DEFT is a finger-operated 2.4GHz wireless trackball with a 34mm ball, a tilt wheel, and 8 buttons, three of which are assignable.
Key specs auto-matched against source pages · Last verified: 2026-10-17
~¥4,787
Where to buy
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Pros
- 8 buttons including three assignable ones, plus a tilt wheel
- OMRON switches on the left and right buttons
- Ball pops out through a hole on the underside for cleaning
- Receiver can be stored inside the body
Cons
- Connects only through a 2.4GHz receiver; no Bluetooth
- Resolution switches between just two steps, 750 and 1500 counts
- Six-month manufacturer warranty
Specs
| Handedness | Right |
|---|---|
| Ball size | 34 mm |
| Ball position | Finger |
| Buttons | 8 |
| Scroll | Wheel |
| Weight | 112 g |
| Connectivity | USB receiver |
| OS | windows, macos |
| Released | 2015 |
AD · detail-mid
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