Just because you don't have to explicitly give your lightning headphones permission to receive audio from your phone does not mean that there isn't some sort of

Just because you don't have to explicitly give your lightning headphones permission to receive audio from your phone does not mean that there isn't some sort of authorization going on. In 11.04, if you leave a phone locked for greater than 7 days, you would need the unlock PIN in order to connect any headphones. Obviously, Apple would recognize the device as an audio device, and it would be automatically added, but the connection wouldn't even be established until you entered your PIN.