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 ...

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 be ...

Smartphones are already capable of some neat health-centric tricks. From step counting and sleep tracking to measuring pulse and respiration rate, the phone in your pocket is quite a powerful-health ...

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 to a ...

Nonin Medical's LifeSense® multi-parameter monitor provides numeric EtCO2 and SpO2 values in addition to a continuous visual waveform — making it ideal for spot checks or continuous monitoring.

Fitbit announced a big Fitbit OS 5.1 update, rolling out now to Fitbit Sense and Versa 3 users in the US. The update brings automatic SpO2 tracking, no longer requiring users to use a certain watch ...