Find out below. The Samsung Galaxy Watch 7, 6, 5, and 4 use a combination of heart rate and heart rate variability (HRV) data to determine stress levels. HRV measures the interval between ...
An Apple Watch expert, he also has extensive experience testing the latest and greatest Android smartwatches from the likes of Garmin, Samsung, and beyond. The Quick List In a rush? You can find a ...
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