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 R60 Desktop Office Trackball (R60-163350)
The NSI R60 is a USB desktop trackball with a 63 mm ball in an ABS enclosure, aimed at office, CAD/CAM and clean industrial use.
Some specs could not be matched to a source · Last verified: 2026-10-17
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Where to buy
No US retailer found yet. Official site
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Pros
- Large 63 mm ball
- Strong ABS enclosure
- Optical sensing with USB connection
Cons
- Unsealed IP40 enclosure
- Button count and weight not stated on the pages
- No wireless connectivity listed
Specs
| Handedness | Ambidextrous |
|---|---|
| Ball size | 63 mm |
| Ball position | Center |
| Buttons | — |
| Scroll | None |
| Weight | — |
| Connectivity | USB |
| OS | windows |
| Released | — |
AD · detail-mid
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