Charge your AirPods Max for a few minutes if the battery is low
Press and hold the noise control button and the Digital Crown at the same time
Keep holding both buttons for about 15 seconds
Release the buttons when the LED flashes amber, then white
To restart, place the AirPods Max back in the Smart Case or reconnect them to your device
To unpair completely, open Bluetooth settings on your device and forget the AirPods Max