$15 off Kensington Orbit Trackball w/ Scroll Ring

Navigate with greater comfort and precision while saving valuable desktop space with the Kensington Orbit Optical Trackball. Its optical technology delivers precise cursor control with the touch of a finger while the two-button design provides an interface that's familiar to mouse users. Orbit Optical Trackball is backed by the Kensington 5-Year Warranty and free technical support.

Kensington TrackballWorks is software that allows you to customize the functions of each of the buttons found on your trackball. The result is a more productive and truly personalized computing experience. TrackballWorks is compatible with the latest operations system versions including Window 7, Windows Vista, Window XP and Mac OS.

• Scroll ring allows fast, easy scrolling of web pages and documents
• Optical technology for precise tracking - no cleaning required
• Uses far less desk space than a mouse
• USB connectivity
• Click-free scrolling