Macally Vertical Ergonomic Wireless Mouse with 2.4g RF Dongle 6 Button 800/1200/1600 DPI for PC-White

The Macally RFERGOPALM is an ergonomic vertical USB wireless mouse for Mac and PC. This mouse has a DPI button that allows you to switch between a optical sensor resolution of 800, 1200 and 1600 DPI so you can set the tracking speed and precision to your preference. The ergonomic vertical design helps you to reduce palm or wrist pain and increase comfort by positioning your wrist and hand in a natural upright angle that minimizes harsh twisting movements which can cause fatigue and muscle strain.