95 to 100 percent is the healthy adult range, and the FDA warns consumer devices can read falsely high.

SpO2 data is hard to interpret Still requires daily charge with sleep tracking and always on display The Apple Watch Series 6 feels like it has perfected many of the features I liked about its ...

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 ...

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 ...

Oura has finally added SpO2 measurements to its Oura Ring 3 – as the final promised features land on the device. The Oura 3 launched way back last year, but some of its core features were delayed – ...

Fitbit announced the Charge 4 this month last year as its most advanced fitness tracker with built-in GPS and SpO2. Data from the latter sensor was previously only accessible in the Fitbit app, but ...

For sleep apnea, the ScanWatch uses an SpO2 sensor, which measures oxygen saturation in the blood by emitting and absorbing light waves passing through the blood vessels. If those oxygen levels drop, ...

Roughly a year after the ScanWatch landed regulatory clearance in Europe, Withings finally received an FDA clearance for the wearable’s ECG and SpO2 monitoring features. Customers in the U.S. can now ...

Back at CES 2020, Withings threw down the gauntlet with the ScanWatch, a sleek smartwatch it claimed could take electrocardiograms and monitor for respiratory disorders during sleep. It was incredibly ...