Designed for PCs and Macs, the Expert Optical Trackball employs Kensington's DiamondEye optical technology for smooth, precise cursor movement. Surrounding the ball, is a Scroll Ring that puts scrolling right at your fingertips. Expert Optical Trackball even comes with a soft wrist rest-right.
Device Type: Trackball
Connectivity Technology: Wired
Interface: PS/2, USB
Movement Detection Technology: Optical
Expansion / Connectivity
Interfaces: 1 x USB - 4 pin USB Type A 1 x mouse - generic - 6 pin mini-DIN (PS/2 style)
Included Accessories: Wrist rest
Compatible with Windows 7: "Compatible with Windows 7" software and devices carry Microsoft’s assurance that these products have passed tests for compatibility and reliability with 32-bit and 64-bit Windows 7.
Software / System Requirements
Software Included: Drivers & Utilities
OS Required: Microsoft Windows 98 or later, Apple MacOS X 10.0 or later
Service & Support: 5 years warranty
Service & Support Details: Limited warranty - 5 years