How To Use Apple Watch’S Blood Oxygen Sensor
Blood oxygen measurement is the flagship health-related feature of the new generation of Apple Watch models . It’s an estimation of how much oxygen your red blood cells transport from your lungs to other body parts. How Apple Watch Measures Your Blood Oxygen The Apple Watch Series 4, Series 5, Series 6, and Series 7 have optical heart sensors that measure heart rate. However, the heart sensors on the Apple Watch Series 6 and Series 7—and possibly newer models—can measure both heart rates and blood oxygen level (also called oxygen saturation level)....