It may be because the Bluetooth headset is not powered on. First check whether it is power off or power off.
failure cause
1. The charging box is out of power;
2. The indicator is faulty.
Troubleshooting method:
1. After a period of normal charging, the battery is activated and the indicator light returns to normal;
2. Put the two earphones into the charging case and open the cover. Long press the button on the charging case until the indicator flashes for three times.
If the problem still cannot be solved through the above steps, it is recommended that users bring relevant certificates to the service center for maintenance.
When the earphone is taken out of the earphone case, the light will not flash, indicating that the earphone has been turned on, and now according to some of the new ways of using the earphone and the new Settings of his earphone, the dead earphone as long as there is electricity, leaving the earphone case is in a state of power, if it is previously matched, it can be used directly, the earphone has been turned on from the earphone case. On the contrary, it is switched off when it is installed in the headset
Maybe it doesn't work or it's broken
Wireless headphones into the charging bin, if the light does not flash, the emission is a red light, proving that it is charging, if it is a yellow light, charging should end, the headset has been full