Personalised Spatial Audio with dynamic head tracking2 places sound all around you, creating a three-dimensional listening experience for music, TV shows, movies, games and more. AirPods 4 now offer the option for Active Noise Cancellation in this open-ear design for the very first time. Powered by the H2 chip and upgraded microphones, it helps reduce low-frequency environmental noise — like airplane engines, HVAC systems and city traffic — before it reaches your ears.The streamlined charging case6 is more than 10% smaller by volume than the previous generation7, with no sacrifice to charging times. And AirPods 4 with Active Noise Cancellation feature a wireless charging case — the smallest in the industry with this capability — as well as a built-in speaker for Find My8 to help you keep track of it.