Apple AirPod Max Headphones

Apple AirPod Max in Black (NOT CONNECTING) - Please read description. These headphones charge and technically connect to my phone (my phone recognizes the Bluetooth connection) but whenever I play sound I can’t hear it through the headphones or change from “noise cancelling” to “transparent”. They haven’t been dropped or water damaged and I never tried to get them repaired. Selling AS IS. Yes they are authentic, purchased in Fall 2023, price is firm