Kensington Orbit Trackball With Scroll Ring, Black/Blue, 72337

The Orbit Scroll Ring Mouse provides all-day comfort and scrolling. Easily navigate the web with the ambidextrous design and the scroll ring of the Orbit Mouse in black and blue. The scroll ring allows you to fly through your web pages and documents. Advanced optical technology provides precise tracking movements. Ambidextrous design is comfortable for left- or right-handed use. USB-enabled connectivity allows you to link up to most computers. Works with TrackballWorks customizing software (download required).