Kensington Expert Mouse® Wired Trackball
Kensington Works™ lets you customize all 4 buttons, set cursor speed Diamond Eye™ optical tracking technology for premium cursor control and accuracy Award-winning Scroll Ring lets you scan up and down pages with ease Large 55mm ball is designed as a perfect sphere to provide exceptional precision Detachable wrist rest supports hand and wrist for ergonomic comfort Reliable wired USB connection
Kensington Orbit K64327F Trackball Mouse
Trackball mouse for comfort and precision Customizable 2-button design via Trackball Works software Compatible with Windows (including Windows 8) and Mac OS computers Comfortable for left or right-handed users Compact design, stays put and takes up less space It's inexpensive, looks cool and performs well
Kensington Orbit Trackball Mouse with Scroll Ring
Trackball mouse with scroll ring for comfort and precision Customizable 2-button design via Trackball Works software Compatible with Windows (including Windows 8) and Mac OS computers Scroll ring allows fast, easy scrolling of web pages and documents Uses far less desk space than a mouse Optical technology for precise tracking - no cleaning required Click-free scrolling USB connectivity