Kensington Orbit Trackball Mouse (K64327F)

Kensington Orbit Trackball Mouse (K64327F) Delivers comfort and precision Customizable 2-button design via KensingtonWorks software ChromeOS user can get HID functions for a trackball but will not be able to customize their device through KensingtonWorks. Compatible with Windows (8, XP, and Vista), macOS (10. 8 and later), and Chrome (OS 44 and later) Optical tracking for superior cursor control Ambidextrous design Compact design, stays put and takes up less space 2 year (Only valid if purchased through Kensington Authorized Resellers) If you&looking for a simple way to transition from a mouse to a trackball, trust the Orbit Optical Trackball from the brand more professionals choose. It offers better ergonomics, with less wrist and hand movement to ease repetitive-stress injuries. Optical tracking technology delivers precise cursor control and the 2-button design provides a familiar experience for mouse converts. Internal red optics precisely track the movements of the medium 40mm ball, providing superior accuracy so you can quickly get your cursor where you want, improving productivity and efficiency. Top reviews from the United States You can&go wrong with Kensington! Takes up no space like a mouse requires. I have two and love them. One is everyday and the other is with my art and photography work. They work Great!