Bluetooth headset can not be charged, mainly for the following three reasons:
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The first reason is that it is not the original charger.
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Solution: Bluetooth headphones need to use a special charger to charge them, which is good for the charging interface and battery.
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The second reason is that the charger of the Bluetooth headset is broken.
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Solution: Try charging your Bluetooth headset with a new charger.
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The third reason is that the battery of the Bluetooth headset is damaged.
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Solution: Take the invoice, headphones, etc., to the nearby maintenance outlet, test, repair or replace the new battery. Usually when using Bluetooth headphones, pay attention to protect the battery, charge it in time, and do not overuse the battery.