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 ...

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 ...

Ahead of the launch of its latest hardware, Fitibit is giving Ionic and Versa owners a handy new watch face. Available now, the Fitbit SpO2 Signature clock face helps you keep an eye on your blood ...

There's a new wearable tech metric in town – and it's all about blood oxygen. It might sound complicated and a little pointless, but pulse ox can reveal conditions like sleep apnea – and help athletes ...

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 ...

At its Reno 7 series launch event, Oppo launched some accessories as well like the Oppo Watch Free and a green-coloured Oppo Enco M32. The former is a pared-back model compared to the original Oppo ...

Following the March 2026 update for Google Pixel Watch devices, a number of users are reporting that their SpO2 (blood oxygen) and skin temperature readings have vanished from the Fitbit app. The ...