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, you 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
Hello, I am glad to answer your question, in this case, it is recommended that you carefully check whether your sports Bluetooth headset is in poor contact, whether the charger is suitable, in addition, it is necessary to pay attention to whether the charging voltage is consistent with the rated voltage of the original charger, if the above situation does not appear, it may be because the weather is too cold to trigger the low temperature protection function of the battery.