Kensington Orbit - trackball - 2.4 GHz, Bluetooth 3.0 LE - black

The Kensington trackball legacy continues with the Orbit Wireless Trackball with Scroll Ring. This trackball features a patented scroll ring that allows you to scroll up and down pages with ease, customizable buttons, dual wireless connectivity (2.4 GHz, Bluetooth LE) with 128-bit AES government-grade encryption security, four DPI settings (400, 800, 1200, or 1600) to easily adjust the cursor speed to fit your needs, a detachable wrist rest, ambidextrous design and Plug-and-Play ease for Mac or PC.