Mouse KENSINGTON Expert Mouse Trackball

The Expert Mouse Wired Trackball is the perfect productivity booster that makes working at your desk faster, more precise, and more comfortable for your hand and wrist. With DiamondEye technology, the trackball uses optical tracking to provide smooth, accurate cursor control. The four buttons are customisable using our highly intuitive TrackballWorksTM software, while our award-winning Scroll Ring allows you to quickly scan up and down web pages and large documents - For right and left-handed users - Kensington Expert Mouse - Trackball - PS/2,USB. - Type of device: Trackball - Connection technology: Wired - PS/2,USB - Motion detection technology: Optical - Operating system required: Microsoft Windows 98 or later,Apple MacOS X 10.0 or later - Microsoft certification: Compatible with Windows 7 - Manufacturer warranty: 5 year warranty