Features: A comfortable design for either hand, Precise fingertip control, WebWheel software to enhance Internet browsing
Hand Orientation: Both Hands
Manufacturer Warranty: Three-year warranty

Marble Mouse Optical Trackball • Precise optical performance without a mousepad on virtually any surface • Both USB and PS/2 ports for use with Mac or PC Optical tracking delivers superior precision and smooth motion. Four buttons, with WebWheel software. Fits either hand. Black/Silver