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 ...

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 ...

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 ...

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 ...

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 ...

The best part is that unlike a one-off check with an Oximeter or a visit to the doctor, the OnePlus Band can be programmed to monitor your blood oxygen continuously round the clock, even while you are ...

The bioengineer Takuo Aoyagi died in Tokyo in April, around the same time that people began clamouring to panic buy his 1970s invention, the pulse oximeter. Blood oxygen saturation, which pulse ...

Google's March 2025 Pixel Feature Drop rolled out a 'limit to 80 percent' battery 'bug' that isn't sitting well with users. Now, the same drop also seems to be causing issues with Pixel Watches. After ...

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 may be used ...

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 ...