1, the first kind of 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.
Ways to avoid damaging Bluetooth headphones:
Choose the right charger. Because the general Bluetooth headset has a special charger, if there is no special charger, you can directly find the same charging interface, and the rated output power is also the same charger to use.
Generally, the charging time of Bluetooth headphones is kept within 2 hours, because the charging time is too long, which will directly lead to the aging or even burning of the machine circuit board, and there will be a variety of inexplicable machine failures, such as shortened standby time, frequent disconnection, shortened call distance, and unable to turn on the phone.
When charging, the plug should be plugged in all, not only more than half, so a long time of use will cause damage to the Bluetooth headset. Of course, when pulling the charging plug, the action should not be so big and so rude, but be gentle, otherwise pulling the plug for a long time will cause the plug to loose.
When the Bluetooth headset is connected to the power supply and starts charging, the red indicator light on the Bluetooth headset is long, indicating that it is charging. If the indicator turns blue after charging is completed, the charger can be removed.
If you can charge the headset, but the battery in the box can not be charged.
< br >
? 2. Or the headset battery is broken, and the battery in the box can be recharged. The reason for this battery failure is that the box is not usable, and it is recommended to take it for repair or replacement.
< br >
? 3. If you do not give up, you can change a charging cable to try.
< br >
? 4. Or change to the usb interface output of the computer to charge, ensure that the jack is in good contact, if it cannot be charged, repair or change the box according to the above.