Kensington 64327 Orbit Optical Trackball - 64327 - Buy.com $10 Mail-in Rebate
Control your cursor with a simple touch of the finger! The highly accurate OrbitŪ Optical is as easy to use as a regular mouse, but it stays in one place saving you valuable desk space. The precise optical tracking mechanism is also resistant to dust, reducing the need for regular trackball cleaning
Features
DiamondEye optical technology for precise tracking and cursor control
The comfort of a mouse and the fingertip control of a trackball
Uses less arm movement and desk space than a conventional mouse
USB and PS/2 connectivity for greater compatibility
Kensington's unmatched satisfaction guarantee - five-year warranty, toll-free technical support, and 90-day no-risk trial
Kensington 64327 Orbit Optical Trackball $12.99 AR FS 
