Sensor | Samsung BioActive Sensor (Optical Bio-signal sensor + Electrical Heart Signal + Bioelectrical Impedance Analysis), Temperature Sensor, Accelerometer, Barometer, Gyro Sensor, Geomagnetic Sensor, Light 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 |