First, check whether the Xiaomi Bluetooth headset air charging interface is in good contact? Check whether the Mi Bluetooth headset air power data cable has broken marks; If there is no problem, there may be a problem with the motherboard circuit of the Bluetooth headset, and you need to go to the after-sales service for maintenance, or the machine to find and ask the millet experience store, the personnel will help check the problem and tell the reason
The Xiaomi headset air 2S cannot be charged, which may be due to the unbalanced charging caused by the Xiaomi headset charging, it is recommended to charge after readjusting or updating the system