Bluetooth technology offers the convenience of wireless audio streaming from your compatible devices Pure Adaptive Noise Cancelling (Pure ANC) technology actively blocks unwanted external noise Real-time audio calibration preserves a premium listening experience Apple W1 chip offers Class 1 wireless Bluetooth connectivity and battery efficiency Rechargeable battery offers up to 22 hours of full-featured all-day wireless playback Fast Fuel option gives you up to 3 hours of play from just a 10-minute charge when the battery is low Pure ANC-off for low power mode provides up to 40 hours of battery life Take calls, control your music, and activate Siri with convenient multifunction on-ear controls Sleek, lightweight design and soft over-ear cushions ensure superb comfort during extended listening sessions