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 ...

Honor has launched the Watch Fit Vitality Edition in China. It comes with a 1.32-inch AMOLED screen with a resolution of 466 x 466. The touchscreen is capacitive and supports gestures like raise to ...