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 ...

Learn how to use SpO2 readings on a smartwatch in 2026, take an accurate measurement, spot errors, and know when a low result ...

Fitbit has released its SpO2 watch face for Fitbit Versa and Ionic devices, which lets users get in touch with their blood oxygen levels. The feature was actually part of the Fitbit Sense and Versa 3 ...

If your smartwatch is capable of measuring your SpO2, you may be wondering what that is and why it’s important. This article explains what you need to know. When you’re considering what smartwatch or ...

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 ...

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 ...

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 ...