It’s a feature related to the AirPods Pro microphones, speakers, and hearing test results ... where Ian Williamson explained the mysterious sound: Your point about AirPod noises reminded ...

But, with the launch of iOS 18.2, we do now have access to the Hearing Test ... beeps’, where the sound was sometimes so quiet that even thinking about the beep made it play in my head (rather ...

to help provide high-quality hearing test results), your AirPods may periodically play a quiet chime when they’re in their charging case. Users have wondered what the mysterious sound is ...