Apple-designed dynamic driver provides high-fidelity audio , Active Noise Cancellation blocks outside noise, so you can immerse yourself in music , Transparency mode for hearing and interacting with the world around you , Spatial audio with dynamic head tracking provides theater-like sound that surrounds you , Computational audio combines custom acoustic design with the Apple H1 chip and software for breakthrough listening experiences , Designed with a knit-mesh canopy and memory foam ear cushions for an exceptional fit