Features
Dual Beam-forming Microphones, Dual Optical Sensors, Motion-Detecting Accelerometer, Speech-Detecting Accelerometer, Active Noise Cancellation, Apple H1 Chip, Transparency Mode, Adaptive EQ, Vent System for Pressure, Equalization, Custom High-Excursion Apple Driver, Custom High Dynamic Range Amplifier, Inward-Facing Microphone, Force Sensor