Offering a precise, compact and versatile experience, the Orbit Wireless Mobile Trackball has everything mobile professionals need for comfort and productivity. It offers better ergonomics, with less wrist and hand movement that will ease the pain of repetitive-stress injuries. With no cables to tie you down, the 2.4 GHz wireless nano receiver works with either Windows or Mac when you’re at home, on the road or in the office. Unique touch scrolling, along with the compact 32mm ball, lets you glide effortlessly through web pages and documents, and the nano receiver can be stored right inside the trackball. 2.4 GHz wireless with storable nano receiver works wherever you do Professional matt black high gloss black finish Unique touch scrolling along with compact 32mm ball lets you glide effortlessly through web pages and documents Ambidextrous design for right-handed or left-handed users TrackballWorks™ software provides a customized productivity experience Plug and play with no drivers needed On/Off switch helps prevent accidental battery drain