• Apple H1 headphone chip
• Active Noise Cancellation
• Transparency mode
• Spatial audio with dynamic head tracking
• Nine microphones
• Gyroscope, accelerometer, optical sensor, position sensor, and case-detect sensor.

The AirPods Max has up to 20 hours of listening time on a single charge with Active Noise Cancellation or Transparency mode enabled. Five minutes of charge time provides around 1.5 hours of listening time.