Ergonomic FingerMouse Finger Trackball Mouse

Average Price:$19 —— Operate in your most comfortable position to avoid stress on the palm joint or muscles. Plug and Play (no drivers required). Off-table use, reducing body fatigue from mousing for an extended period of time. Free and comfortable operation is ideal for use on planes, trains, and cars. 3D, Page Scrolling Function is standard. Compatible with Windows 98, 2000, ME, XP, and Vista. USB Connection. Cord Length 5 feet.