Active Noise Cancellation2 For the first time, the AirPods 4 open-ear design now includes Active Noise Cancellation. It helps cut down on low-frequency environmental noise before it reaches your ears, such as city traffic, HVAC systems, and airplane engines. It is powered by the H2 chip and improved microphones. Transparency and Active Noise Cancellation are seamlessly combined in Adaptive Audio2, which adapts noise control to your changing surroundings as you go about your day. Mode 2 of transparency offers the most natural way to hear your surroundings, making it ideal for maintaining awareness while on the phone or enjoying music or podcasts. Awareness of Conversations 3 detects when you're talking to someone close by and instantly reduces the volume of the music, bringing it back