airport max
my airport max does not start up when i put it on my head.
MacBook Pro 15″, macOS 10.14
AirPods have little on/off switches.
Note the button on top.
If the LED below does not turn on, then it needs to charge.
https://support.apple.com/en-us/HT211883 explains more how to use.
Also you posted to a Mac forum, not the forum dedicated for the headphones.