- Pure adaptive noise canceling (pure ANC) actively blocks external noise
- Real-time Audio calibration preserves a Premium listening experience
- Up to 22 hours of battery life enables full-featured all-day wireless playback. Rechargeable lithium ion battery
- Apple W1 chip for class 1 wireless Bluetooth connectivity & battery efficiency
- With fast Fuel, a 10-minute charge gives 3 hours of play when battery is low