USB Black Finger Track Ball. Features: Off-table reducing the harm of radiation and body fatigue owing to using the mouse for a long time. Can be operated in various ways to avoid harm of palm joint or muscles Free and comfortable operation ideal for using on planes trains and cars 3D Page scrolling function.
- Meeting FCC CE UL SA and TUV requirements.
- Ergonomic Black USB finger mouse
- 6 ft cable
- Thumb operated trackball mouse
- Built in driver
- Compatible with Windows 95 version B/98/ME/2000/XP/NT and higher