Mouse with trackball Kensington Expert Trackball USB

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
Plug & Play 1.8m wired USB connection gets you up and running quickly and easily
Free TrackballWorks™ software allows the two buttons to be customised, as well as adjusting cursor and scrolling speeds
Compatible with Windows® 10, 8.1, 8, 7 and macOS® 10.8 or later