Originally Posted by alex67500

Isn't the problem the fact that airpods have built-in batteries? I've had a DHL parcel partially returned when a mate had forgotten his washbag. DHL returned his electric toothbrush and shaving cream can as items they don't carry (they actually opened the washbag to remove them and returned them to me free of charge). One due to the battery, the other because it's a pressurised can.