My Bluetooth headphone does not turn on. What should I do?
The battery level is low. Charge the headphone.
I cannot pair my Bluetooth headphone with my Bluetooth device.
The Bluetooth is disabled. Enable the Bluetooth feature on your Bluetooth device and turn on the Bluetooth device before you turn on the headphone.
The audio quality is poor and crackling noise can be heard.
The Bluetooth device is out of range. Reduce the distance between your headphone and Bluetooth device, or remove obstacles between them.