Sensor:
Accelerometer, Geomagnetic, Gyro, Hall, Light, Proximity or Face ID, accelerometer, gyro, proximity, compass, barometer or Fingerprint (side-mounted), 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.