Logitech Cordless TrackMan Wheel

True cordless freedom means no tangled cords and frees you to work anywhere on your desk. Patented Marble optical technology delivers superior precision for detailed work, smooth tracking for longer use and reduced wear, all without the hassle of regular cleaning. Reliable, digital radio technology requires no line of sight and can work with several cordless devices with no interference. Stationary design of a trackball saves you valuable desk space.