1. Charge the keyboard fully and ensure it is on the correct connection channel.
2. Delete the keyboard Bluetooth in your device's Bluetooth listing, restart and repairing. (Bluetooth connection steps: Single press FN+Q/W/E to choose the channel, and long press the FN+Q/W/E for 3-5s, the indicator will flash quickly, then the keyboard enters into pairing mode).
3. Attempt to connect the keyboard to another device via Bluetooth to see if it can work properly.

Press and hold ESC+ 3 keys, then turn on the keyboard. All the indicator lights will flash rapidly, release the keys, and the corresponding Bluetooth channel light will flash quickly. Open the Bluetooth list on your device and reconnect via Bluetooth.

1. Directly press the Esc button to get a "`", and directly press F1~F10 to get numer 1~0.
2. Press the Fn+multimedia buttons to obtain the corresponding multimedia function.
3. Press the Fn+Shift+ESC buttons to get the function of the ESC.
4. Press the Fn+Shift+F1-F12 buttons to get the function of the F1-F12. For example, to obtain the F1, press Fn + Shift + F1.
5. Press the Shift + symbol mark buttons to obtain the corresponding symbol mark.

1. When the battery is low, the red light of the channel in use will flash until it's turned off.
2. When you connect the keyboard to a power source for charging, the charging indicator will turn red, indicating that the charging process is in progress.
3. Once the keyboard is fully charged, the charging indicator will turn green, indicating that it has reached full charge.
4. Usually, it takes about 2 hours to fully charge.