Kensington Expert Trackball Mouse Wireless Professional 4 Button

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

The trackball can be paired through Bluetooth 4.0 LE to save a valuable USB port, or connected via USB nano receiver

TrackballWorks software offers incredible customization, and optical tracking technology offers smooth, precise cursor control. Plus, our award – winning Scroll Ring lets you quickly scan up and down web pages or long documents

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

Wireless connection via Bluetooth 4.0 LE or USB nano receiver

TrackballWorks software lets you customize all 4 buttons, adjust cursor speed

DiamondEye optical tracking technology for premium cursor control and accuracy

Award – winning Scroll Ring lets you scan up and down pages with ease

Large ball is designed as a perfect sphere to provide exceptional precision

Detachable wrist rest supports hand and wrist for ergonomic comfort

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

Auto – sleep helps conserve AA battery life