3M Wireless Ergonomic Optical Mouse, Patented Vertical Grip Design Keeps Your Hand and Wrist at a Neutral Angle for Comfort, USB Plug and Play Compatibility, Small Size, Black (EM550GPS)
Vertical grip provides ergonomic benefit of keeping your hand and wrist at a neutral angle. Optical sensor, wireless, and USB compatib le plug and play. Soft-touch painted surface for added comfort. For right hand use only. Small Size. 2 year warranty.