Apple AirPods 4 (NC)

Audio Technology1
Custom high-excursion Apple driver
Custom high dynamic range amplifier
Voice Isolation2
Personalized Spatial Audio with dynamic head tracking3
Adaptive EQ
Vent system for pressure equalization
Custom high-excursion Apple driver
Custom high dynamic range amplifier
Active Noise Cancellation
Adaptive Audio4
Transparency mode
Conversation Awareness4
Voice Isolation2
Personalized Spatial Audio with dynamic head tracking3
Adaptive EQ
Vent system for pressure equalization
Sensors
Dual beamforming microphones
Inward-facing microphone
Optical in-ear sensor
Motion-detecting accelerometer
Speech-detecting accelerometer
Force sensor
Chip
H2 headphone chip
Controls
Press once to play or pause media
Press once to answer a call or mute or unmute
Press twice to end a call
Press twice to skip forward
Press three times to skip back
Dust, Sweat, and Water Resistant5
Dust, sweat, and water resistant (IP54)
Size and Weight (Each)6Illustration of AirPods 4 showing width of 0.72 inch in width and 1.19 inches in height0.72 inch (18.3 mm)1.19 inches
(30.2 mm)
Height: 1.19 inches (30.2 mm)
Width: 0.72 inch (18.3 mm)
Depth: 0.71 inch (18.1 mm)
Weight: 0.15 ounce (4.3 grams)