Product Details:

High-fidelity audio
Active Noise Cancellation with Transparency mode
Spatial audio for theater-like sound that surrounds you
Adaptive EQ adapts audio specifically to your ears
Stunning design with an exceptional fit
Sensors: Optical sensor, Position sensor, Case-detect sensor, Accelerometer, Gyroscope
Nine microphones total
Apple H1 headphone chip (each ear cup)
Up to 20 hours of use on a single charge
5 minutes of charge time provides around 1.5 hours of listening time
Smart Case preserves battery charge in ultra-low-power state