1. The charging box is out of power. When the charging box is not powered, it is not possible to charge the headset. After finding that the headset cannot be charged, it is recommended to check whether the charging box is powered.
2. The charging connector of the headset is blocked. There is also a situation that causes the earphone to be charged is poor contact. Because we use it for a long time, the earphone may get into dust or stains. When the joint is blocked, it can not be charged normally. It is recommended to wipe it with a cotton swab dipped in alcohol, and then poke it with a toothpick to remove the dust and try again.
3. The earphones are broken. Sometimes accidentally falling into the water damaged the internal parts, resulting in normal charging, it is recommended to take the headset to the Apple offline experience store for maintenance.
4, the service life is too long. When using the original data cable to charge the headset, less than 20% of the power needs to be charged, do not wait until all exhausted, but also do not overcharge, so that the battery is also damaging. When not in use, put the earphones into the earphone case, do not put them on the desktop at will to prevent dust from entering.
5. The charging cable is damaged. A new charging cable is recommended.