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
NSI Ergonomical 38 mm Desktop Trackball (E38-76A31D)
A rugged IP68-sealed desktop trackball from NSI with a 38.1 mm removable epoxy ball, infrared optical tracking, a hall-effect scroll wheel and left/middle/right buttons over USB.
Some specs could not be matched to a source · Last verified: 2026-10-17
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Pros
- IP68 sealed and fully waterproof
- Removable ball for easy cleaning
- Hall-effect scroll wheel
- Aluminium base plate, can be mounted at any angle
Cons
- Heavy at about 500 g
- Industrial product sold on a quote basis, no listed retail price
- Only three buttons
Specs
| Handedness | Ambidextrous |
|---|---|
| Ball size | 38.1 mm |
| Ball position | Center |
| Buttons | 3 |
| Scroll | Wheel |
| Weight | 500 g |
| Connectivity | USB |
| OS | windows |
| Released | — |
AD · detail-mid
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