How to Use: 1. Press any group of G1 to G4 to enter the preset game backlight, all of which can be edited (except the WIN button and FN button), the function indicator flashes. 2. Then,press FN+HOME, the function indicator flashes and enter the recording mode. 3. Click the button you want to record, the LED light below the keycap will be on (press it again and go out). 4. Repeat step 3 to set other LEDs. 5. After the setting is completed, press FN+HOME again to save the recorded light. Function indicator stops flashing, return to normal working mode. 6. If you switch to the set game lighting mode, you only need to press the corresponding G mode button. Specification: Item Type: Mechanical Keyboard Material: Aluminium Alloy Model: Mk13 Color: Yellow Gray Function: Computer Keyboard Scope of Application: Computer Keyboard Connection Method: Wired Interface Type: USB Working Voltage: 4.5V to 5.5V Working Current: 200mA Frequency: 48Mhz Full Key Without Punch: Support Ergonomics: Support Backlight Color: Colorful Backlight Shaft Body: Linear Action, Alternate Action or Ergonomic Package List: 1 x Mechanical Keyboard 1 x Key PullerRGB backlit gaming keyboard, different cool RGB backlit modes, like a dream, add unlimited fun to the game. The keycap adopts double injection molding process to ensure that the characters are not easy to fade. The 104 key typesetting design is adopted, and the special personality large font is independently developed. The USB port is adopted to ensure the stability of data transmission without delay and error.The high and low floating keycaps conform to the ergonomic curve. Extensive compatibility, supporting computer systems for Windows 10,for Windows 8 ,for Windows 7 ,for OS X, for Windows XP,and for Windows VISTA. The game buttons adopt a full key non impact design, and its complete mechanical structure will take you into battle at full speed, with clean tactile feedback every time you press the button.