AirPods Max: Up to 20 hours of listening time on a single charge with Active Noise Cancellation or Transparency mode enabled; Up to 20 hours of movie playback on a single charge with spatial audio on; Up to 20 hours of talk time on a single charge; 5 minutes of charge time provides around 1.5 hours of listening time. AirPods Max with Smart Case: Storage in the Smart Case preserves battery charge in ultra-low-power state; Charging via Lightning connector