| Adjustable cursor speed |
| Adjustable pointer speed |
| Ergonomic design for arm and wrist posture |
| Ergonomic design supports your hand in a fully upright neutral handshake position that eliminates forearm twisting |
| Fast and very precise cursor movement |
| Improved grip for comfort |
| Precise true optical resolution sensor moves the pointer quickly to reduce hand movements, with short habituation time |
| Right hand, vertical, wireless mouse |
| The tiny 2.4 GHz receiver avoids being knocked off the side of a notebook computer |
| Version 4 improved shape makes for better thumb and finger support |