Sensor | compass, altimeter, 3-axis accelerometer, gyroscope, ambient light sensor, barometer, magnetometer, oxygen saturation (SpO2) monitor, ECG monitor, multi-path optical heart rate sensor, electrical sensor, skin temperature sensor | Ambient light sensor, Thermometer, Thermometer,Gyroscope, Compass, Barometric altimeter, Pulse Ox Blood Oxygen Saturation Monitor ,Galileo, GPS, GLONASS |