Apple has your health in mind when it comes to the Apple Watch, which is why the Series 6 can now measure your blood oxygen level with its built-in pulse oximeter.
This technology can tell if you’re getting enough oxygen to your brain and other vital organs. More specifically, the sensor measures the percentage of oxygen your red blood cells carry from your lungs to the rest of the body.
Why is that important? A low percentage of oxygen in the blood can be a sign of a pulmonary or cardiac issue, or other related problem. This type of measurement is especially important with the COVID-19 pandemic, since people with severe complications can have low blood oxygen levels. The Series 6 oximeter can also take readings during the night in order to track other issues, such as sleep apnea.