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 ...

Although Google unveiled its Pixel Watch late last year, there is one critical feature that the watch has lacked and fans have been eagerly waiting for, i.e. SpO2 measurement. However, according to ...

Following the March 2026 update for Google Pixel Watch devices, a number of users are reporting that their SpO2 ...

Older builds work fine ...

Normal blood oxygen level is either 95%-100% SpO2 on an oximeter or 80-100 mm Hg from an ABG test. ABG tests are more accurate than pulse oximeters, which have a ...

Pixel Watch users report that since the March update, their wearables have been failing to collect SpO2 and skin temperature ...

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 – ...

If you've got a smartwatch, chances are you're using it to track some aspect of your health. During the pandemic, that might have included keeping tabs on your blood oxygen levels. Smartwatches from ...

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 ...