1, it should be the Bluetooth headset battery is exhausted, excessive use, resulting in the battery is self-protection when charging.
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2, you can first connect the Bluetooth headset with a special charger for half an hour to see if you can fill it.
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3, or can not be charged, only to get the nearby after-sales, reactivate the Bluetooth headset battery, restore normal charging.
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4, usually in the use of Bluetooth headphones or mobile phones, can not use up the battery, in the prompt need to charge, you need to charge in time, so as not to damage the battery, affect normal use.