The Kensington Expert Wireless Trackball is a premium ambidextrous trackball mouse featuring a large 55mm ball and a patented scroll ring. Connect via Bluetooth 4.0 LE or 2.4GHz USB nano receiver, with 4 programmable buttons customisable through KensingtonWorks software. The included detachable wrist rest provides comfort during extended use. Powered by a single AA battery with auto-sleep for extended battery life.
