Sensor:
Accelerometer, Barometer, Gyro, Geomagnetic, Light, Optical Heart Rate or Face ID, accelerometer, gyro, proximity, compass, barometer / Siri natural language commands and dictation or Fingerprint (under display), accelerometer, gyro, proximity, compass
Charging Time:
Earbuds: 2 hours to fully charge. Earbuds + charging case: 180 min to fully charge. Charging case: 120 min to fully charge. Maximum support 1C charging current.