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 ...

MFine, a health tech startup in India, has developed a free mobile app that turns a smartphone into a blood oxygen saturation meter. The beta version of the app is currently available on Android ...

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 ...

Smartphones are already capable of some neat health-centric tricks. From step counting and sleep tracking to measuring pulse and respiration rate, the phone in your pocket is quite a powerful-health ...

Tucked away in some Garmin watches is a sensor that enables continuous blood oxygen monitoring, a feature the company refers to as ‘Pulse Ox’. You may have seen the feature appear in menus or in ...

Apple removed blood oxygen monitoring from the Apple Watch in early 2024. Somebody has to blink for it to return, and it looks like neither Masimo nor Apple are going to budge. Blood oxygen monitoring ...