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.
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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.
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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.
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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.
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4. It may be that the charging port of the headset may be damaged and sent to the repair shop for processing