Up to 20 hours of listening time on a single charge with Active Noise Cancellation or Transparency mode enabled3 Up to 20 hours of movie playback on a single charge with Spatial Audio on4 Up to 20 hours of talk time on a single charge5 5 minutes of charge time provides around 1.5 hours of listening time6 AirPods Storage in the Smart Case preserves battery charge in ultra-low-power state Charging via Lightning connector Bluetooth 5.0 wireless technology Contains; AirPods Max Smart Case Lightning to USB-C Cable Documentation.