Active Noise Cancellation with next-level Transparency. Voice Isolation on calls. Adaptive audio and Conversation awareness. Apple-designed H2 chip w/ custom built-in driver and amplifier. Adaptive EQ tunes music in real time. Personalized Spatial Audio. Heart rate sensing tracks HR and calories burned during workouts. IP57 Dust sweat and water resistant. Hearing Test and Hearing Aid features. Live Translation. 8 Hour battery life with ANC. Case charges via MagSafe Qi charger and USB-C.