Orbit® Trackball with Scroll Ring K72337EU

Award-winning Scroll Ring lets you scan up and down pages with ease
Medium 40mm ball is designed as a perfect sphere to provide exceptional precision
TrackballWorks™ software lets you customize the 2 buttons, adjust cursor and scrolling speed
Optical tracking technology for superior cursor control and accuracy
Detachable wrist rest supports hand and wrist for ergonomic comfort
Ambidextrous design works equally well for both right-handed and left-handed users
Plug & Play installation via wired USB connection
PC and Mac® compatible
Compatible with Windows® 8