1, if the newly bought Bluetooth headset can not be charged, then it should be a battery failure, or a charger failure, directly return or exchange it.
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2, if it has not been used for a long time, it may be that the lithium battery of the Bluetooth headset is dormant.
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3, before charging, open the charging port, first check whether there are stains, clean the stains of the charging interface;
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4, and then plug in the charger, patiently charge, dormant lithium battery, normal charge 3-5 times, can be fully activated;
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5, if charged for a long time or not charged into the electricity, you can change a charger to try to see if the charger is broken;
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6, if there is no problem with the charger, then it is likely that the battery is broken, and it needs to be repaired or replaced with a new Bluetooth headset.
1, the first Bluetooth headset internal failure, such as battery or circuit damage, charging interface short circuit, etc. This requires the earphones to be sent for repair. 2, the second charger or data cable has a problem, resulting in charging can not continue. In this way, you need to replace the matching charger or data cable to recharge.