Kensington Orbit TrackBall Wired Ergonomic Mouse for PC, Mac and Windows with Ambidextrous Design, Optical Tracking & 40 mm Ball Space Grey (64327EU), Silver

Optical Tracking Technology - Internal optics precisely track the movements of the grey 40mm ball, providing superior accuracy so you can quickly get your cursor where you want, improving productivity and efficiency Compact Footprint - Uses far less desk space to use than a mouse so you can optimize the layout of your workstation Ambidextrous Design - Works equally well for both right-handed and left-handed users to get the most out of their trackball Plug and Play Installation - Quickly get clicking and scrolling with fast, simple installation through the reliable wired USB connection, plus it doesn’t need batteries 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 2 buttons, as well as adjusting cursor speeds Professional and Stylish Design - The 40 mm ball featuring a metallic silver finish, sits within a matte black and silver base for a stylish and modern feel System requirements - USB port. Compatible with Vista, Windows 7, XP, Windows 8, 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 Ball Control: Finger-operated