Kensington Expert Mouse The Ultimate Trackball! The best trackball ever made has just gotten better. Designed for PCs and Mac's, the new Expert Mouse employs Kensington's Diamond Eye optical technology for smooth, precise cursor movement. Surrounding the ball, we have a brand new implementation of our award winning Scroll Ring that puts scrolling right at your fingertips. More comfortable than ever, the Expert Mouse even comes with a soft new wrist rest-right in the box! You get all of these great new features along with the same, large ball, exceptional control, and ease-of-use that has set the industry standard for more than 15 years.

Model number: 64325

Features and Benefits:

• DiamondEye Optical tracking for superior accuracy
• Award-winning Scroll Ring - precise scrolling at your fingertips
• Exceptional comfort for ultimate productivity
• Large ball for maximum precision and control
• Detachable wrist rest cradles your hand in comfort

System Requirements:

• PC running Windows 98 or later with an available USB or PS2 port.
• Mac running OS X or later with an available USB Port.
• Internet connections or CD ROM drives to install the software.

Warranty:

• Expert Mouse is backed by the Kensington 5-Year Warranty and free technical support.