Redesigned for exceptional fit and audio performance. The powerful H2 chip delivers clearer calls with Voice Isolation and a new, hands-free way to interact with Siri. Footnote  Personalized Spatial Audio with dynamic head tracking places sound all around you. Footnote  Rated IP54 dust, sweat, and water resistant. Footnote  USB-C charging and up to 30 hours of listening time using the case. Footnote  And Find My to help you locate your AirPods 4. Footnote