1, if it is idle for a long time, to activate the headset battery, it needs to charge for at least 3 hours, and individual need to charge for 8 to 12 hours, if it is still not activated, the battery may be broken.
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2. The charger or charging cable may be broken. You can connect to sound equipment to find out what the problem is. Generally, the Bluetooth headset can be charged for 1 hour, if the charging time is too long, it may affect the service life of the battery, or cause other inexplicable machine failures.