Kensington Expert Mouse wireless ergonomic trackball for PC and Mac, with Bluetooth 4.0 LE and 2.4GHz dual wireless, scroll ring, ambidextrous design and detachable wrist rest.
The Kensington Expert Mouse Wireless Ergonomic Trackball is an ambidextrous trackball for PC and Mac that works equally well for right-handed and left-handed users. Dual wireless technology lets you connect either by Bluetooth 4.0 LE, which saves a valuable USB port, or through a reliable 2.4GHz USB nano receiver. DiamondEye optical tracking gives smooth, precise cursor control with less hand movement, improving productivity and efficiency. The large red ball has an absolute spherical, hard surface for precise tracking and control, and the scroll ring lets you spin the dial to move up and down web pages or documents with ease. The detachable wrist rest has soft cushioning that cradles the hand and wrist for comfort during extended periods on the computer. Free downloadable KensingtonWorks software lets you assign a wide variety of program functions to the buttons and adjust cursor and scrolling speeds. System requirements: USB receiver is compatible with Windows 10, 8.1, 8, 7 and Mac OS X 10.8 and later. Bluetooth 4.0 LE is compatible with Windows 10, 8.1 and Mac OS X 10.8 and later.