Audio Technology Spatial audio with dynamic head tracking Adaptive EQ Custom high-excursion Apple driver Custom high dynamic range amplifier Sensors Dual beamforming microphones Force sensor Inward-facing microphone Motion-detecting accelerometer Skin-detect sensors Speech-detecting accelerometer Chip H1 headphone chip Controls Press once to play, pause, or answer a phone call Press twice to skip forward Press three times to skip back Press and hold for Siri Say “Hey Siri” to do things like play a song, make a call, or get directions Sweat and Water Resistant Sweat and water resistant (IPX4) Size and Weight AirPods (each) Height: 1.21 inches (30.79 mm) Width: 0.72 inch (18.26 mm) Depth: 0.76 inch (19.21 mm) Weight: 0.15 ounce (4.28 grams) Battery AirPods Up to 6 hours of listening time with a single charge (up to 5 hours with spatial audio enabled) Up to 4 hours of talk time with a single charge Connectivity Bluetooth 5.0 Accessibility Accessibility features help people with disabilities get the most out of their new AirPods. Features include: Live Listen audio Headphone levels Headphone Accommodations System Requirements iPhone and iPod touch models with the latest version of iOS iPad models with the latest version of iPadOS Apple Watch models with the latest version of watchOS Mac models with the latest version of macOS Apple TV models with the latest version of tvOS