1.The keyboard and mouse share only one USB receiver, which is located in the bottom of the mouse. (Only when the receiver is plugged in, the lights of the keyboard and mouse will light up)
2. There will be a little delay or the lights will not turn on when the battery is too low, please charge it in time and use computer's USB port to charge. Avoid charging in humid or high-temperature environments.
3. If you can't press "WASD" or "↑↓←→", please press FN+ "W" key can be used to switch between letter "WASD" keys and arrow "↑↓←→" keys at will. If the numeric keys cannot be used, press NumLock.
4.USB Receiver Pairing steps. Make sure the keyboard/mouse fully charged.
Keyboard pairing steps: Step 1: Turn on the keyboard switch;
Step 2: Press and hold the ESC key and the K key at the same time, the indicator light starts to flash;
Step 3: Insert the USB receiver into the computer, and pairing is complete.
Mouse pairing steps: Step 1: Turn the switch at the bottom of the mouse to the switch position with the sun logo;
Step 2: Press and hold the mouse wheel and right button, the mouse RGB lights start to flash;
Step 3: Insert the USB receiver into the computer and the pairing is complete.
5. About Mac: USB-C adapter required. Limited MacOS support.