This kind charging gaming keyboard and mouse features incredible backlit?FN+PAU?Switch light effect?FN+PGU?Light highlight?FN+PGDN?Light weakened?FN+?/??Light deceleration/Light accelerationNote:The backlight will auto into sleep mode if you don't use it for a while,and it will turn on when press any key.If you want to close the backlit,Long press FN+press PAU,the backlit color change until turn offThe Multimedia Function Keys provides easy access to calculator,media,volume control,etc ?FN+F1?Music Player ?FN+F2?Voice"-" ?FN+F3?Voice"+" ?FN+F4?Mute ?FN+F5?Stop play?FN+F6?Previous song ?FN+F7?Pause/Play?FN+F8?Next song?FN+F9?E-Mail ?FN+F10?Home?FN+F11?Lock screen?FN+F12?CalculatorKey Lock Function:Lock the WINDOWS and APP key by ?FN+Windows?,Press?FN+Windows?again to unlock,and the right-most indicate light onProduct detail information: Material: Aluminum alloy drawing panel Connect way: 2.4GHZ wireless usb Keys number: 104 keys full-size Charing cable length: 100cm Keyboard size:445*137*41mm(17.5*5.4*1.6inch) Keyboard weight: about 735g Mouse size:115*67mm(4.5*2.7inch) Mouse weight:90g Mouse DPI:800-1200-1600-2400 Chip:3212 gaming chipPackage List: 1×Rechargeable Backlit Keyboard 1×Rechargeable Mouse 1×USB Receiver 1×USB Charging CableNote: ?This is Not a real mechanical keyboard, but the feel, key-travel and efficiency are all close to full mechanical keyboard ?The 2.4G USB receiver is stored inside the mouse and can be taken out for use?There is a ON/OFF switch at the bottom of mouse ?System Requirements:Windows/xp/7/8/10/vista/mac/linux????Enjoy the comfortable computer control with this keyboard and mouse set,putting entertainment and portability right at your fingertips.suitable for working and playing games. If you love it ,then ADD TO CART now!