Wireless Mouse, Ergonomic Vertical with 6 Buttons, PC Compatible

Description:Ergonomic Design: This mouse is designed for users to reduce muscle strain and even eliminate the damage caused by years of using a traditional computer mouse. Wrist pain, shoulder fatigue, carpal tunnel syndrome and tendonitis can be relieved or eliminated with regular use. Adjustable Wristband - Adjustable DPI settings allow you to change cursor sensitivity (800/1200/1600/2400) and let you slow down tasks, need precision or increase browsing speed. This mouse no longer requires AA batteries. There are batteries inside. You have just charged the USB cable. Don't Worry About Buying Battery Compensation Chances are: IBM or Compatible. Windows: 2000/ME/XP(x64)/Vista/7/8, Mac OS X (V10.4+) 1 available USB port