wBest V-100 three Adjustable Color Backlit Keyboard and Mouse Set with Cool Crack Pattern for Windows 98/XP/2000/ME/VISTA/Win7/Win8 with One Year Warranty The keyboard and mouse set surface with crack pattern, fashionable and novelty design. The ABS material give you comfortable and cool soft Touch. 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. Mouse: 7 color breathing backlit. Keyboard: Three color sdjustable backlilt (Purple Red Blue). The mouse with DPI governor: 600/1000/1600. 114 individually backlit keys including multimedia keys allow easy control and offer enhanced visibility in low-light condition There are 10 media shortcut buttons, the music button is for default music player, the next track/previous track/play and pause/stop buttons are for windows media player, the email button is for outlook, the voice down/voice up/sound off buttons are for system voice control, the home page button is for default explorer