Gaming Keyboard and Mouse - Designated 3 Selectable Keyboard's Backlight - DPI Governor - Spill Resistant (Black) FN Key area extended functionality: FN + SL can change the color of the keyboard's backlit. FN + UP Arrow, FN + Down Arrow can control the brightness of the keyboard's backlit. PRECISION GAMING MOUSE; gaming mouse with DPI governor covering 600/1000/1600 settings for maximum precision. SPILL RESISTANT DESIGN; spill resistant keyboard for durability. MULTI-MEDIA KEYS; integrated array of dedicated multi-media keys for maximum convenience. System requirements: WindowsXP/Vista/7/8, USB ports. Spill-Resistant Design. Multi-media Keyboard controls. 19 key does not conflit bring you new peculiar experience.