You may need to reset the C81 if it is not working properly. Conducting a factory reset on the C81 will clear all of its past pairing history.
Step 1: Make sure that the C81 has been plugged in.
Step 2: Enter Pairing Mode on the C81.
Hold the Multi-Function Button for 2 seconds until the LED alternates flashing BLUE and White alternatively
Step 3: Reset the C81.
Double click the MFB button while it is in pairing mode; Solid BLUE & WHITE light on for 2 seconds, then flash BLUE and WHITE alternatively, indicating that the reset was successful.
1. Bluetooth device normally auto-reconnects to its LAST paired / connected device. You might need to make sure the previous used device are Bluetooth-off to avoid interference.
2. It is important to Reset both Bluetooth sender and receiver. In case of cellphone / PC, you can turn off its Bluetooth function and turn it back on.
3. If still not working, you can email us at email@example.com.