Kensington Orbit Wired Trackball with Scroll Ring. Form factor: Ambidextrous. Movement detection technology: Optical, Device interface: USB Type-A, Buttons type: Pressed buttons, Buttons quantity: 2, Scroll type: Ring. Power source: Cable. Product colour: Black

All-day comfort and scrolling come together in the Orbit Trackball with Scroll Ring. The award-winning scroll ring allows you to spin through web pages and long documents without the need for clicking. It offers better ergonomics, with less wrist and hand movement that will ease the pain of repetitive-stress injuries. TrackballWorks software gives you the opportunity to assign specific functions to your 2 buttons and create a truly customized productivity experience. Optical tracking provides smooth and accurate cursor control, and a detachable wrist rest offers terrific ergonomic support when youre hard at work.

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