Obvious ones are that an attacker could play a damagingly loud noise, could eavesdrop on your in-person environment if you're wearing the AirPods without using them, as many do, or could masquerade as a caller without actually using a call service or leaving call records.
It also provides a straightforward avenue for further chains of exploit, if some were known to the attacker, since taking over the bluetooth connection represents a pretty wide channel of opportunity.
It also provides a straightforward avenue for further chains of exploit, if some were known to the attacker, since taking over the bluetooth connection represents a pretty wide channel of opportunity.