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 ...

Get yourself these beginner-friendly simple and budget conscious Fire-Boltt smartwatches that come with intuitive health, ...

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 ...

Oxygen is absorbed by a protein in your blood called hemoglobin. When you breathe, your lungs load up blood cells with oxygen, then the pumping of your heart circulates the oxygen-rich blood through ...

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 ...

Fitness bands have moved well beyond simple step counting. The best options in 2026 focus on continuous health monitoring, ...

Premium design with a physical rotating bezel Advanced sleep tracking Running tools that go beyond the basics Measures blood oxygen levels and VO2 max Missing blood pressure feature Battery life on ...

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 ...