Pesp&reg; Blue-ray USB 6d Button Optical Adjustable DPI Scroll Wheel LED Game Mouse Mice 6 keys professional gaming mouse ,suitable for the CS, CF, Warcraft and other games 6 buttons, including Scroll Wheel Key, Left Button, Right Button, Page up, Page down, DPI Switcher High resolution, up to 2000DPI, sensitive response 800/1600/2000dpi adjustable With the blue stunning high-intensity LED lights on the scroll wheel, tail and the two side of the mouse after contact to the computer Compatible with operating systems Window 7,Window Vista, Window XP