Feature(may vary by option.)

●Large 55mm ball design and Diamond Eye optical tracking for precise cursor control; Patented scroll ring lets you scan up and down pages with ease
●Detachable, ergonomic wrist rest supports hand and wrist for improved comfort; Ambidextrous design
●Customizable 4-button design, scroll speed and cursor speed via KensingtonWorks software
●Connects wirelessly via built-in Bluetooth LE or with the USB dongle using 2.4Ghz wireless; Auto-sleep helps conserve battery life
●Compatible with Windows, macOS (10.14 and later), and Chrome (OS 44 and later); 3 year coverage and lifetime technical support

[Wired Mouse]

[Wireless Mouse]

Description

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. 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.