-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
-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
-TrackballWorks™ software lets you customize the 2 buttons, adjust cursor and scrolling speed