Kensington K70992WW Black Orbit Wireless Trackball with Scroll Ring

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 customisable buttons dual wireless connectivity (2.4 GHz Bluetooth 3.0 and 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.N/AN/ADual wireless connectivity offers the flexibility of 2.4GHz and Bluetoot