Attoe Vertical Mouse, 2.4GHz Wireless Rechargeable Ergonomic Vertical Computer Gaming Mouse,Comfortable Grip 2400 DPI Optical USB PC Gaming Mice.

Ergonomic design: This ergonomic mouse is design for users to reduces muscle strain and can even undo the damage that years of using a traditional computer mouse causes. Wrist pain, shoulder fatigue, Carpal Tunnel Syndrome and tendonitis can all be alleviated or, in many cases, eliminated with regular use. Adjustable DPI: The adjustable DPI settings allow you to change the sensitivity of the mouses pointer speed (1000 / 1600 / 2400), allowing you to decrease speed for tasks that require guaranteed precision or increase the speed faster for browsing.