The Kensington Expert Wired Optical Trackball Mouse works well for both right and left handed users to get the most out of their trackball. TrackballWorks software offers incredible customisation and DiamondEye optical tracking technology provides smooth, precise cursor control. With a scroll ring and large ball for precise tracking and control. A detachable wrist rest supports hand and wrist for ergonomic comfort. The trackball is compatible with Windows 11, 10, 8.1, 8, 7 and 10.8, macOS X 10.11, macOS 10.10 or above, macOS 10.9, macOS Sierra 10.12, macOS 10.13 or above and Chrome OS 44 or above.

• TrackballWorks lets you customise all 4 buttons, set cursor speed
• DiamondEye optical tracking technology for premium cursor control and accuracy
• Ambidextrous design
• Detachable wrist rest provides ergonomic comfort
• Scroll Ring lets you scan up and down pages with ease
• Large 55mm ball is designed as a perfect sphere to provide exceptional precision
• Wired 180cm USB cable provides reliability and avoids need for batteries
• PC and Mac compatible
• DPI: 400
• Colour: Black