1 May be the reason why the Bluetooth headset has not been used for a long time, the headset itself has a \"self-protection\" function, in a \"closed\" state, if this happens, you can charge for a few minutes or dozens of minutes to see if the indicator light is on.
2. If it is not on, see if the charger is plugged in. If it is plugged in, there may be a problem with the indicator light of the Bluetooth headset or the charger cannot be charged, otherwise the headset is damaged.
You can turn on the Bluetooth headset to see if the indicator light is on, and if the indicator light is on, the indicator light problem is eliminated.
3. Use the charger to charge other earphones to see if they can be charged, and if they cannot be charged, the charger is damaged, and contact the after-sales service for maintenance.
4. It may be that the charging port of the headset may be damaged and sent to the repair shop for processing.