Sensor:
Accelerometer, Ambient Light, Distance Sensor or Fingerprint (rear-mounted), accelerometer, proximity, compass or Fingerprint (under display, optical), accelerometer, gyro, proximity, compass, color spectrum
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.