There are three possible reasons why the airpods3 headset cannot be charged:
First of all, the power adapter may be damaged, replace the power plug;
Secondly, there may be stains on the metal contacts inside the charging box, which can be cleaned up and used again;
Finally, the charging box may be damaged, you can contact after-sales maintenance.
Can not be charged, first of all to check the home is not a power outage, if everything is normal at home, it is the airpods3 generation charger has a problem, if it is just bought must be changed