The Apple Watch provides a pair of health-tracking features that measure your heart rate and heart rhythm, each officially cleared by the United States Food and Drug Administration (FDA). However, blood oxygen monitoring that's available on the new Apple Watch Series 6 model doesn't need a clearance from the FDA, and here's why.
Blood Oxygen sensor
Apple today unveiled the new Apple Watch Series 6 models and one of the biggest features is the ability to measure your blood oxygen saturation. Here's how it works.