3m Vertical Mouse Wireless small
3m Vertical Mouse - Wireless Small3m-EM550GPS
The vertical grip design keeps your hand and wrist at a neutral angle, while the mouse works as a regular optical mouse. Trip the handle and rest your hand on the base. Use your thumb to left and right click. Optical Sensor, wireless, USB compatable plus and play.
Right hand use Only
Suitable for hand sizes smaller than 8.5cm