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 ...

While almost all of us know how oxygen is vital to life, few probably realize that the oxygen is actually distributed throughout our body via our blood. In addition to metrics like heart rate or even ...

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 ...

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 ...

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 ...

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 ...

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 ...