Apple AirPods 4 Full Specifications
Body
Dimension Earbuds: 18.10 mm x 18.30 mm x 30.20 mm
Case: 50.10 mm x 46.20 mm x 21.20 mm
Weight Earbuds: 4.3 g
Case: 32.3 g (Standard), 34.7 g (With ANC)
IP Rating Earbuds: IP54
Color White
Audio
Driver Custom high-excursion Apple Driver + Custom high dynamic range amplifier
Codecs AAC, SBC
Microphone Dual beamforming microphones + Inward-facing microphone
Noise Cancellation Optional (ANC with Adaptive Audio, Transparency Mode, Conversation Awareness)
Others Personalised Spatial Audio with Dynamic Head Tracking, Adaptive EQ, Voice Isolation
Connectivity
Bluetooth 5.3
Companion App Unspecified
Hardware
Processor H2 headphone chip
Sensors Optical in-ear, Motion-detecting accelerometer, Speech-detecting accelerometer
Battery
Earbuds AirPods 4: Up to 5 hours playback
AirPods 4 with ANC: Up to 4 hours playback (ANC on)
Case AirPods 4: Up to 30 hours playback
AirPods 4 with ANC: Up to 20 hours playback (ANC on)
Charging via USB Type-C, Wireless (Only with ANC variant)
Extras
Features Touch Controls, Seamless Pairing, Multi-device connection, Multi-device switching, Audio Sharing, Siri on Standby, Siri Interaction, Find My, Speaker on the case (Only with ANC variant)