USED Dual beamforming microphones In-ear microphone Skin-detect sensor Motion-accelerometer Speech-detect accelerometer Force sensor Chip H1 headphone chip Controls Press once to play, pause, or answer a call Press once to mute or unmute Press twice to end a call ‏‏Press twice to skip to the next track Press three times to go back to the previous track Press and hold to activate Siri‏‏ Say "Hey Siri" to play a song, make a call, get directions, or more Sweat and water resistant2 Sweat and water resistant (IPX4‏): AirPods and charging case ‏‏‏‏‏‏‏‏‏‏Dimensions and Weight3 AirPods (each) Length: 30.79 mm Width: 18.26 mm Depth: 19.21 mm Weight: 4.28 grams Lightning Charging Case or MagSafe Charging Case Length: 46.40 mm Width: 54.40 mm Depth: 21.38 mm Weight: 37.91 grams Charging Case Lightning Charging Case The Lightning Charging Case works with a Lightning connector. MagSafe Charging Case The MagSafe Charging Case works wirelessly with a MagSafe charger and Qi-certified chargers or with a Lightning connector‏. Battery4 AirPods Up to 6 hours of listening time on a single charge (up to 5 hours with Spatial Audio enabled) AirPods with Lightning Charging Case or MagSafe Charging Case Up to 30 hours of listening time Condition: Used