USB 2.4G connection:

1. Flip the power switch to ON to turn on the keyboard2. Insert the USB into the computer, press and hold the button FN+~, the connection is successfulBluetooth connection:1. Flip the power switch to ON to turn on the keyboard2. Turn on your device's Bluetooth to enter the search state (system settings - turn on Bluetooth - search and add)3. Press and hold the key FN+1 or FN+2 or FN+3 on the keyboard, the light flashes, the device will display "O50 keyboard BT", you can click to connect successfully.Multi-device connection:1.FN+1: Connect to Bluetooth device 12.FN+2: connect to bluetooth device 23.FN+3: connect to bluetooth device 34.FN+~: connect to USB, 2.4G wireless reception5. Press FN+1/2/3/~ alone to switch the paired devices6.FN+1/2/3, press and hold for 3 seconds in combination: flashing light, can start the searched state (connect a new device)Additional instructions:1. For the first connection, you need to switch the keyboard to the corresponding system2. Failure to switch may cause the function keys to not be used normally!3. The keyboard distance is 5-10 meters, and the language environment factors of different devices are related to the distance.Troubleshooting:1. When the keyboard cannot be searched, please try to turn on the bluetooth on the device to search again2. When the keyboard is turned on and there is no indicator light, try to charge the keyboard.3. After connecting to other devices, go back to the original device again, you need to delete the old record before you can connect

4. When the pairing fails, you need to delete the failed pairing record, and then perform the second