ProtoArc
EM04 Wireless Trackball Mouse
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EM04 Wireless Trackball Mouse, listed by ProtoArc. Check the retailer for current price, availability and product details.
$26.99
A trackball mouse. The ProtoArc EM04 features thumb-controlled tracking, 5 DPI levels, quiet clicks and a built-in rechargeable battery. You steer the cursor with your thumb, so the mouse stays put on a small desk.
Check the hand size it fits and the connection you need.