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 | Accelerometer, Gyroscope, Geomagnetic Sensor, Ambient Light Sensor, Air Pressure Sensor, Capacitive Sensor, Optical Heart Rate Sensor |