condition: fair make / manufacturer: Kensington model name / number: K64325
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I have here a pair of Expert Mouse trackballs. One of them works; the other is currently for parts/repair. Both are the wired (USB) model. Each comes with a comfortable wrist rest that attaches to the base. These are a great ergonomic alternative to using a mouse, since they require such a tiny amount of motion, and you can customize the buttons for your favorite shortcuts.
MSRP $89.99 each
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