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 ...

The Fitbit Charge 6, the latest addition to Fitbit's lineup of fitness trackers, has introduced a significant advancement in health monitoring with its built-in blood oxygen saturation (SpO2) feature.

Remotely monitoring a COVID-19 patient's pulse oximetry level could help pinpoint signs of condition deterioration, according to a new systematic review published in the Lancet. Researchers combed ...

When Fitbit launched the Charge 4 fitness band, one of the features we found the most interesting was its ability to estimate users' blood oxygen saturation levels through its SpO2 monitor. Users ...

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 ...