Pure Adaptive Noise Cancelling (Pure ANC) actively blocks external noiseReal-time audio calibration preserves a premium listening experienceUp to 22 hours of battery life enables fully-featured all-day wireless playbackApple W1 chip for Class 1 Wireless Bluetooth® connectivity and battery efficiencyWith Fast Fuel, a 10-minute charge gives 3 hours of play when battery is lowPure ANC-off for low power mode provides up to 40 hours of battery lifeTake calls, control music and activate Siri with multi function on-ear controlsSoft over-ear cushions for extended comfort and added noise isolation