KensingtonWorks™ lets you customize all 4 buttons, set cursor speed DiamondEye™ optical tracking technology for premium cursor control and accuracy Award-winning Scroll Ring lets you scan up and down pages with ease Large 55mm ball is designed as a perfect sphere to provide exceptional precision Detachable wrist rest supports hand and wrist for ergonomic comfort Reliable wired USB connection
Operating System(s) : Chrome OS, macOS, Windows Compatibility : Windows 7, Windows 8, Windows 8.1, macOS 10.8, Windows 10, macOS X 10.11, macOS 10.10 or above, Chrome OS 44 or above, macOS 10.9, macOS Sierra 10.12, macOS 10.13 or above Controls : Customizable Buttons, Scroll ring Trackball Diameter : 55 mm
KensingtonWorks™ Customization - Free downloadable software provides an even more personalized experience, giving you the ability to assign a wide variety of program functions to each of the 4 buttons, as well as controlling the pointer speed and scrolling speed.
DiamondEye™ Optical Tracking - Movement detection technology provides smooth, precise cursor control so you can get where you want on the screen quickly with less hand movement, improving productivity and efficiency.
Ambidextrous Design - Works equally well for both right-handed and left-handed users to get the most out of their trackball.
Detachable Wrist Rest - Soft cushioning cradles the hand and wrist in ergonomic comfort for pain-free productivity during extended periods of activity on the computer.