| Ambidextrous design |
| Award-winning Scroll Ring lets you scan up and down pages with ease |
| Colour: Black |
| Detachable wrist rest cradles hand in comfort |
| Detachable wrist rest provides ergonomic comfort |
| Detachable wrist rest supports hand and wrist for ergonomic comfort |
| DiamondEye optical tracking technology for premium cursor control and accuracy |
| DiamondEye™ optical tracking technology for premium cursor control and accuracy |
| DPI: 400 |
| Large 55mm ball is designed as a perfect sphere to provide exceptional precision |
| Mac? running OS X or later with an available USB Port.** Internet connections or CD ROM drives to install the software.** Compatible with Windows?7, Windows? XP, Windows Vi |
| PC and Mac compatible |
| PC and Mac? compatible |
| Reliable wired USB connection |
| Scroll Ring lets you scan up and down pages with ease |
| TrackballWorks lets you customise all 4 buttons, set cursor speed |
| TrackballWorks™ lets you customize all 4 buttons, set cursor speed |
| Wired 180cm USB cable provides reliability and avoids need for batteries |