Put simply, SpO2 is a measure of blood oxygen saturation. The more oxygen you have in your blood, the higher your SpO2 levels are going to be. Seeing as our bodies need oxygen to survive, we can ...

I mentioned in a previous post that I had purchased a home pulse oximeter and had used it to monitor my oxygen saturation (SpO2) levels during the time I had COVID-esque symptoms recently. Personally, ...

is a senior reporter and author of the Optimizer newsletter. She has more than 13 years of experience reporting on wearables, health tech, and more. Before coming to The Verge, she worked for Gizmodo ...