1 Common contact oxidation, can be erased to solve.
2 After removing oxidation, it is still unable to be charged, and it is generally suspected that the battery is damaged.
3 If the product is still within the warranty period, you can go to the local official after-sales service maintenance center for quality inspection, generally non-human or water problems. After the after-sales network detection can be renewed, and extend the warranty.
4 Beyond the warranty period, the maintenance is difficult, and the maintenance amount is high. You can buy the same type of headset online for reset pairing
Xiaomi headset side can not charge the solution:
1, adjust the position of the earphone in the earphone port, so that the charging metal contact at the end of the earphone is in contact with the metal contact of the earphone port;
2, one earphone has been damaged, you can go to the nearby millet after-sales service or apply for after-sales service on the official website of millet;
3. The charging port of the left ear of the earphone charging bay has been damaged, and the charging port of the earphone charging bay needs to be replaced.
Usually the charging of wireless headphones, if one side of the headset can not be charged, mostly because of the contact problem of the charging box