1. Fn + Space key: To altenate the language
2. "command" key: Turn on/off or adjust the backlit.Operating Method: Press once to turn on the backlit. Press again will increase the brightness. The third time will maximize the brightness. And the fourth time will turn off the backlit .
3. "alt" key: To alternate the 7 backlit color(red,yellow,blue,green,cyan,purple,white).
4. "` key": To type the character in grey area, hold shift and press the desired character.
5. "alt + other keys" can realise some uncommon special characters.
6. Some special short characters
Cut: command key + X, Paste: command key + V, Select all: command key + A, Copy: command key + C
7. Breathing lamp mode: There are 2 key combinations, Fn + Q control breathing lamp switch, Fn + W controls the speed of the breathing lamp.