Kensington Orbit Wireless Trackball with Scroll Ring - White (K70991WW)

Dual wireless connectivity offers the flexibility of 2.4 GHz and Bluetooth LE, with 128-bit AES government-grade encryption security

The scroll ring lets you spin the dial to move up and down web pages or documents with complete ease. And the 40mm ball’s hard surface is specially designed as a perfect sphere for precise tracking and control

Four DPI settings let you easily adjust the cursor speed to fit your needs by selecting the appropriate level (400, 800, 1,200, or 1,600) — lower DPI for precision editing, and higher DPI for word processing or casual browsing

Ambidextrous design works equally well for right-handed and left-handed users. Trackball reduces wrist and hand movement to ease repetitive-stress injuries

Free *KensingtonKonnect downloadable software provides a personalized experience, giving you the ability to assign a variety of functions (including shortcuts) to the buttons, and adjust cursor and scrolling speed. *Windows ARM-based computers are currently not supported. Please check back for future updates on compatibility

Optical tracking technology delivers precise cursor movement for superior accuracy, so you can get where you want on the screen quickly with less hand movement, improving productivity and efficiency

A detachable wrist rest delivers soft cushioning to support the hand and wrist in ergonomic comfort for pain-free productivity during extended periods of activity on the computer

Mac and PC compatible

1. Un-plug and re-plug the Trackball. 2. Test the device on another port or computer. 3. Remove and clean ball with dry cloth by pushing from underneath. 4. Install a fresh set of batteries in the Trackball