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 ...

Fitbit launched its first proper smartwatch in 2017. The Ionic, along with most of its recent wearables, features a dormant SpO2 sensor that can be used for blood oxygen tracking. More users are now ...

COVID-19 cases are currently on the rise and it has made most of us even more cautious about our health. One thing that helps us keep a track of our health is an oximeter. While not everyone has an ...

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 ...

The Nasal Alar SpO 2 sensor (Xhale Assurance) is a disposable, single patient use pulse oximetry sensor that clips onto the nasal ala, the fleshy part of the side of the nose. The sensor is indicated ...