- Ergonomic Design with Smooth Thumb Control: Move your cursor by the smooth trackball instead of moving your wrist and arm. Let the easy and smooth thumb control help you reduce your muscle stress. The optimal angle of the trackball mouse allows you to keep your palm in a natural position for all-day comfort.
- Connect up to 3 devices by either bluetooth or USB dongle. Switch easily between them by the button on the bottom to improve your efficiency.
- Model: M501