Please try the following steps.
The on/off Switch
The on/off switch at the top of the keyboard is Bluetooth/wired switching mode
On botton is enter Bluetooth mode
Off botton is enter Wired mode (fn+zxc can’t be used to connect to Bluetooth devices in wired mode)
Bluetooth Connection
Key: “FN+Z/X/C” to connect Bluetooth device
Long press “FN+ Z/X/C” for 6 seconds, Bluetooth enters pairing status, the indicator light flashes.
Short press “FN+Z/X/C”, the Bluetooth keyboard enters the reconnection state, the indicator light blinks slowly.
For example: key Z is paired, key X is not paired, long press key 2 for 6 seconds, then the light corresponding to key 2 will enter the blinking state and enter the pairing state. If you need to pair for the 2nd time, please turn off the 1st paired device.
Automatic Sleep
Backlight will be turned off by default for 5 minutes, and Bluetooth will be disconnected for 30 minutes
PS:Make sure your device is compatible with Bluetooth 4.0 or above
The video is for about how to connect Bluetooth.
