Design: Durable anodized aluminum casing with a flexible fabric mesh headband to distribute weight and reduce pressure on the head. Sound: An Apple-designed dynamic driver delivers high-fidelity audio, with support for custom spatial audio and dynamic head tracking for a cinematic experience. Isolation: Active Noise Cancellation (ANC) feature to block external sounds, with Transparency mode to clearly hear your surroundings. Battery: Lasts up to 20 hours of listening with ANC enabled, and supports fast charging via a Lightning port.