Google Pixel Watch gains support for SpO2 (blood oxygen saturation) tracking
Samsung Health SPO2 measurement is back. - Samsung Members
SPO2 measured with my watch active 2 : r/GalaxyWatch
How to measure SPO2 Level On Samsung Phones via Samsung Health
Note 10 plus Heart rate sensor - Samsung Members
Do Samsung Galaxy Watch 4 and Watch 4 Classic have a SpO2 sensor? - Quora
So Samsung Health update a few days ago and I seen this option to measure SpO2 while you sleep. I toggled it on and followed, the very few, instructions they gave for