We're available to support you from Monday - Friday from 7:30am until 6:30pm PT. If you are not satisfied with your Kensington purchase, please call 1-80 within 30 days of receipt to obtain a Return Material Authorization (RMA) number and instructions.

Auto-sleep helps conserve AA battery life.

Ambidextrous design works equally well for both right-handed and left-handed users.

Detachable wrist rest supports hand and wrist for ergonomic comfort.

Large 55mm ball is designed as a perfect sphere to provide exceptional precision.Patented Scroll Ring lets you scan up and down pages with ease.DiamondEye ™ optical tracking technology for premium cursor control and accuracy.KensingtonWorks ™ lets you customize all 4 buttons and set cursor speeds.Wireless connection via Bluetooth ® LE or USB nano receiver.Add it all up and you get exceptional comfort and ease-of-use from the brand that has set the industry standard in trackballs for more than 20 years. Plus, our patented Scroll Ring lets you quickly scan up and down web pages or long documents. KensingtonWorks ™ software offers incredible customization, and optical tracking technology offers smooth, precise cursor control. The trackball can be paired through Bluetooth ® LE to save a valuable USB port, or connected via USB nano receiver.

The Expert Mouse® Wireless Trackball gives you the freedom to be hyper-productive without being limited by a USB cable.

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