TeckNet Wired Gaming Mouse, Ergonomic Optical USB Gaming Mouse for Laptop PC Computer Gamer, Adjustable DPI Levels, 6 Buttons 4 Levels DPI Adjustable: 1000/1600/2400/3200 DPI precise sensor, provides you with the most responsive gaming experience. Ergonomic Shape Design & Cool LED Light: the unique frosted surface and the comfortable wheel design offer an incredible user experience. Plug & Play : no additional software required, equipped with durable braided cable and high quality golden USB port. Tested over 20 million keystokes ensure long lisfespan. Enhanced refresh rate & 4000sec frame rate help improve your gaming precision, match your pc gaming needs. (Note: Not support programming, if you want a programmable one, please choose GM299 which has the same look. ) Compatible with Windows XP, Vista, WIN7, WIN8 , Win10, MAC. Package Contents: 1 x TeckNet Optical Wired mouse, 1 x User manual, 1 x Warranty Card and lifetime friendly customer service.