- Ergonomic: encourages a natural vertical hand position with the thumb pointing upwards
- Reduces muscle strain: keeping arms and shoulders in a relaxed position
- Smart: special button for document scrolling
- 2 sizes right-handed: large space required and medium-small (large applicable for hand palm width of more than 9 cm). Only right-handed version.
- Wireless version: available in both Large and Medium/Small
- Connection: USB and PS2 (Cable length:200 cm)