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.
In this case, you ask a professional to reinstall it and check whether there is a problem with the firing pin. Under normal circumstances, this is caused by poor contact with the firing pin, and the other is battery damage
It's not charging. Hold on. Sometimes the suspended animation. Sometimes it's real death. Encountered a similar situation, generally two methods to solve: the first small current charging repeatedly, adjust the output, try to use a variety of voltage, generally one day on my computer is bad sometimes surprises. Second, repairing, general will tell you the mainboard has a problem, actually change the battery
What is the specific phenomenon of not being able to charge.
1, the first use or a long time without use, the battery is in an extremely low state, just plug in the charger when the charging light is not bright, then you need to wait for about half an hour, if normal, it will start charging.
2, if the first case plug in the charger for more than two hours, the headset has not responded, take the headset to the after-sales.