Most modern smartwatches and fitness trackers — including Apple Watches, Fitbits, and Garmins — can measure your blood oxygen saturation via SpO2 sensors. Here’s how to view and interpret ...

If defibrillation is necessary when affected TruSignal SpO2 sensors are being used, remove the affected TruSignal SpO2 sensor, defibrillate per hospital protocol, ...

The Apple Watch’s SpO2 sensor that allows wearers to measure their blood oxygen levels was impressive when it first debuted, but it may be even more accurate than initially marketed. According ...

Fitbit launched its first proper smartwatch in 2017. The Ionic, along with most of its recent wearables, features a dormant SpO2 sensor that can be used for blood oxygen tracking.

But it’s not any old SpO2 monitor. The patent talks about a photodetector sensor that enables transmissive examination of blood oxygen levels, which is more accurate than the type of SpO2 sensor ...

One of the most important metrics on a Fitbit tracker is the Estimated Oxygen Variation – and now that every tracker is fitted with an SpO2 sensor, everyone can take advantage. Blood oxygen can ...

A SpO2 sensor has been sitting dormant inside the watch, just waiting to be used. But it looks like that’s about to change soon. Reddit user u/triforce28.