Cause one: The charger is broken or the socket is in poor contact.
< br >
It may be that the use of the charger for a long time makes the charger socket loose and the poor contact results in the inability to charge the Bluetooth headset normally.
< br >
I suggest you try a new charger.
< br >
Cause 2: Bluetooth headset charging port loose contact caused by poor. Check the charging port of the Bluetooth headset, whether there is loose, poor contact, resulting in normal charging.
< br >
Reason 3: The battery of the Bluetooth headset is damaged, resulting in failure to charge.
< br >
If the charger is good and the interface is not loose, it is necessary to consider that the battery is damaged. May be long-term use, resulting in battery aging, resulting in battery damage can not be charged normally, use.
< br >
It is recommended to wear a good Bluetooth headset, invoice and wait until the nearby after-sales service outlet, check, repair or replace accessories and other matters
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.
2, if it has not been used for a long time, it may be that the lithium battery of the Bluetooth headset is dormant.
3, before charging, open the charging port, first check whether there are stains, clean the stains of the charging interface;
4, and then plug in the charger, patiently charge, dormant lithium battery, normal charge 3-5 times, can be fully activated;
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;
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.