Cooler Master Devastator Gaming 3 Keyboard and Mouse Combo with 7 Colour LED Backlit Option USB 2.0 mouse. Mouse DPI 4 levels (600, 1200, 1800, 2400). Mouse LED backlight 7 colors to choose from. Mouse and keyboard lighting mode - full backlit and pulsating mode (speed can be adjusted by FN key combo). Membrane keyboard switch. Keyboard LED color 7 colors to choose from. Keyboard polling rate of 125Hz. Keyboard multimedia dedicated.