| Adjustable cursor speed |
| Ambidextrous design |
| Ambidextrous design works equally well for both right-handed and left-handed users |
| Auto-sleep helps conserve AA battery life |
| Award-winning scroll ring lets you scan up and down pages with ease |
| Compatibility with Bluetooth 4.0 LE: Windows??10, 8.1 and Mac OS X 10.8 and later* |
| Compatibility with USB receiver: Windows??10, 8.1, 8, 7 and Mac OS X 10.8 and later |
| Detachable wrist rest |
| Detachable wrist rest provides ergonomic comfort |
| Detachable wrist rest supports hand and wrist for ergonomic comfort |
| DiamondEye optical tracking technology |
| DiamondEye optical tracking technology for control and accuracy |
| DiamondEye(TM) optical tracking technology |
| DiamondEyeT optical tracking technology for premium cursor control and accuracy |
| Large ball is designed as a perfect sphere to provide exceptional precision |
| Professional matt black with high gloss finish |
| Scroll ring allows easy scanning up and down pages |
| Scroll Ring lets you scan up and down pages with ease |
| TrackballWorks compatible with Mac only when using 2.4GHz connection |
| TrackballWorksT software lets you customize all 4 buttons, adjust cursor speed |
| Wireless connection via Bluetooth or USB nano receiver |
| Wireless connection via Bluetooth? 4.0 LE or USB nano receiver |
| Wireless connection via Bluetooth? LE or USB nano receiver |