Chip Apple H2 headphone chip, Apple U2 chip (in MagSafe Charging Case)

Audio Technology Custom high-excursion Apple driver, custom high dynamic range amplifier, Active Noise Cancellation (ANC), Adaptive Audio, Transparency mode, Personalized

Spatial Audio with dynamic head tracking, Adaptive EQ, Studio-quality audio recording

Sensors Dual beamforming microphones, inward-facing microphone, skin-detect sensor, motion-detecting accelerometer, speech-detecting accelerometer, heart rate sensor for workouts, touch control

Water/Dust Resistance IP57 rating (earbuds and case)

Battery Life (Earbuds) Up to 8 hours listening time (ANC enabled); up to 10 hours in Transparency mode; up to 6.5 hours with heart rate sensing during workouts

Battery Life (Case total) Up to 24 hours of total listening time with ANC enabled (via case charges)

Charging MagSafe Charging Case (USB-C port), compatible with Qi-certified and Apple Watch chargers

Dimensions (Each Bud) 30.9 mm (H) x 19.2 mm (W) x 27.0 mm (D)

Weight (Each Bud) 5.55 grams