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
Logicool Cordless Optical TrackMan TM-400
A wireless trackball with a 44 mm red ball and eight buttons, using a 27 MHz receiver and two AA batteries, re-released in 2008 with a new color scheme.
Some specs could not be matched to a source · Last verified: 2026-10-17
~¥8,980
Where to buy
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Pros
- Eight buttons including forward/back, drag lock and Cruise Control
- Large 44 mm ball
- Marble optical tracking said to need little maintenance
Cons
- 27 MHz wireless with only about 1 m range
- Low 300 dpi resolution
- Fairly heavy at 233 g
Specs
| Handedness | Right |
|---|---|
| Ball size | 44 mm |
| Ball position | Finger |
| Buttons | 8 |
| Scroll | Wheel |
| Weight | 233 g |
| Connectivity | USB receiver |
| OS | windows, macos |
| Released | 2008 |
AD · detail-mid
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