7D Wireless Optical Vertical mouse
Backward and forward keys
DPI+/ DPI- keys
Built-in Li-ion battery inside  
ABS material
800/1200/1600 DPI
Switch life times: 5 million times       
Compatible with windows10/Win8/Win7/Mac OSX(10.8-10.10) 2000/XP/9X/7/8/VISTA