Expert Mouse Optical Trackball

We may call it a mouse, but the Kensington Expert Mouse® is so much more. It empl oys our DiamondEye optical technology for smooth and precise cursor control. Surrounding the ball, is an award Scroll Ring® that pu s scrolling right at your fingertips letting you fly through web pages and documents. There's even a soft wrist rest included with he Expert Mouse® trackball for comfort and convenience no mouse can match. Designed for PCs and Macs and a large ball for exception l control the Expert Mouse Optical Trackball sets the industry standard.

• Large 55mm ball for maximum recision, control and comfort
• Save time and increase productivity with the award winning click free Scroll Ring®
• Optical DiamondEye technology delivers superior precision
• Four customizable buttons with Kensington Trackbal Works™ software
• Stationary trackball design optimises desk space when compared to a mouse
• Ambidextrous esign for left or right-handed users
• Wired 180cm USB cable provides reliability and avoids need for batteries
• Detachable wrist rest cradles hand in comfort
• PC and Mac® compatible
• Mac® running OS X or later w th an available USB Port.
• Internet connections or CD ROM drives to install the software.
• Compatible w th Windows®7, Windows® XP, Windows Vi