Slumber 2 - How to Factory Reset/Clear Pairing History?

In Bluetooth mode, you can press & hold button for 3 seconds until the LED flashes Red & Blue to clear the pairing history of the Slumber 2. 

Related knowledge:

1. Bluetooth devices normally auto-reconnect to their LAST paired / connected device. You might need to make sure the previously used device has Bluetooth turned OFF to avoid interference.
2. It is important to reset both the Bluetooth sender and receiver. In the case of cellphone / PC, you can turn off its Bluetooth function and turn it back on.
3. If the issue persists, please contact us at support@avantree.com