Control your cursor with a simple touch of the finger! The highly accurate Orbit® 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 (Manufacturer Supported)

System Requirements:

• PC-Windows® 98, Me, 2000, or XP with USB port
• PC-Windows® 95, 98, Me, NT, 2000, or XP with PS/2 compatible mouse port
• Macintosh® with OS 10.1.5 or later
• USB Macintosh® with OS 8 & 9, device will only function as a 1-button mouse