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Size: 40mm Weight: 33.1 grams Display: 1.58-inch OLED Internal Storage: 4GB Sensors: SpO2, Heart, ECG, EDA, Temperature
Size: 40mm or 44mm Weight: 30.5 to 40.1 grams Display: 1.57 or 1.78-inch Retina LTPO OLED Display Internal Storage: 32GB Sensors: SpO2, Heart, ECG
– The Apple Watch Series 6 is the first smartwatch from Apple with a SpO2 sensor. – The Fitbit Sense can perform an EDA scan to detect changes in stress levels.
EDA Scan app detects electrodermal activity which may indicate your body's response to stress and a built-in skin temperature sensor logs yours each night so you can see when it varies.