Product Features Backlight
1. The default 20 backlight patterns switch by press [FN] + [R_SHIFT] to cycling switch the light patterns.
2. Press [FN] + [←/→] to adjust light rotating speed, total 6 levels. Press [FN] + [ ↑ / ↓ ] to adjust backlight brightness, total 6 levels.
3. Backlight color switching: [FN] + [ENTER] to cycling switch Red, Green, Blue, Yellow, Purple, Cyan, White, RGB.
4. Backlight DIY: Press [FN] + [Back space] to enter DIY mode,[ESC] [A] [S] [W] [D] [ ↑ ] [ ↓ ] [←] [→] lights on by default, Press [FN] + [Back space] again to start recording,"CAPS" LED will flashing till the recording completed, Continuously press the key to select the color you want to set, once key light color setting are completed, press [FN] + [Back space] to save.

How to connect the keyboard with multi-ple devices
Wired Connection
1.2.4G/OFF/BT switch on "OFF".
2.Connect the keyboard to computer with USB cable.
3.The computer will recognize and configure the keyboard automatically.
2.4G Wireless Connection
1.2.4G/OFF/BT switch on "2.4G".
2.Press and hold [FN]+[4]for 3 seconds,the LED flashes quickly in white,plug the USB receiver into USB port on your computer,after paired the LED will turn to white steady on.
Bluetooth Connection
1.2.4G/OFF/BT switch on"BT".
2.Press and hold [FN]+[1/2/3]for 3 seconds, Indicator flashes in Blue[1]or Red[2] or Green[3] quickly.
3.Turn on Bluetooth function and searching for available devices,It will find "BT5.2_1 or BT5.2_2 or BT5.2_3"device. Select a Bluetooth name to pair,after paired the LED will turn to steady on.
4.To switch the Bluetooth connections between BT1/BT2/BT3,press FN+1/2/3.