Apple AirPods 4

Apple AirPods 4 MXP63/a

Audio Technology: Voice Isolation
Personalized Volume
Adaptive EQ
Custom high-excursion Apple driver
Custom high dynamic range amplifier
Personalized Spatial Audio with dynamic head tracking
Vent system for pressure equalization
Sensors: Optical in-ear sensor
Motion-detecting accelerometer
Speech-detecting accelerometer
Force sensor
Charging Case: Charging Case (USB-C)
Battery: AirPods 4:
Up to 5 hours of listening time on a single charge
AirPods 4 with Charging Case (USB-C):
Up to 30 hours of listening time
5 minutes in the case provides around 1 hour of listening time or around 45 minutes of talk time