Kensington Expert Trackball Mouse

Product Features

• 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
• ChromeOS user can get HID functions for a trackball but will not be able to customize their device through KensingtonWorks.
• Wired USB-A connection for reliable connectivity
• Compatible with Windows (7, 8, 8. 1, and 10), macOS (10. 8 and later), and Chrome (OS 44 and later); 5 year and lifetime technical support