Kensington Orbit Wireless Trackball with Scroll Ring, Professional Computer Mouse Bluetooth, (2.4GHz Wireless), Optical Tracking & AES Encryption Security, Left or Right Handed Black (K70992WW)

Kensington Orbit Wireless Trackball Mouse With Scroll Ring: The popular choice of professionals everywhere - now wireless - with customisable buttons & 4 DPI settings Dual Wireless Connectivity: Offers the flexibility of 2.4GHz & Bluetooth (3.0 & LE), with 128-bit AES government-grade encryption security for your peace of mind Ambidextrous Design: For right-or left-handed users, plus the scroll ring lets you spin the dial to move up & down web pages or documents with ease Ergonomic Design: Easy plug & play installation, Mac & PC compatible, with optical tracking technology for precise cursor movement & superior accuracy Contents: 1 x Kensington Orbit Wireless Trackball Mouse with scroll ring, black, with detachable wrist rest (K70992WW)