Transparency mode
Adaptive EQ
Vent system for pressure equalization
Custom high-excursion Apple driver
Custom high dynamic range amplifier
Dual optical sensors
Motion-detecting accelerometer
Speech-detecting accelerometer
Force sensor
More than 24 hours of listening time5
More than 18 hours of talk time6
5 minutes in the case provides around 1 hour of listening time7 or around 1 hour of talk time8