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.
The following reasons may cause the charging case of Huawei headphones to fail to be charged
one
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The earphone may not be used for a long time, and the Type-C port is dirty.
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two
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It may also be that the charging cable or charging connector is damaged so that it cannot be charged, and the earphone is not used for a long time, and it needs to be charged for a long time, or it needs to be plugged and unplugged several times. Please clean the USB port and try again, or replace the charging cable or charging port to charge.