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 3.0/5/0 LE to save a valuable USB port, or connected via USB nano receiver. KensingtonWorks 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.

• Ambidextrous design works equally well for both right-handed and left-handed users
• Auto-sleep helps conserve AA battery life
• Award-winning Scroll Ring lets you scan up and down pages with ease
• Detachable wrist rest supports hand and wrist for ergonomic comfort
• DiamondEye optical tracking technology for premium cursor control and accuracy
• Large ball is designed as a perfect sphere to provide exceptional precision
• TrackballWorks software lets you customize all 4 buttons, adjust cursor speed