When Fitbit launched the Charge 4 fitness band, one of the features we found the most interesting was its ability to estimate users' blood oxygen saturation levels through its SpO2 monitor. Users ...

Fitbit announced the Charge 4 this month last year as its most advanced fitness tracker with built-in GPS and SpO2. Data from the latter sensor was previously only accessible in the Fitbit app, but ...

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 ...

Sarah Mitroff has worn many hats at CNET, including Senior Mobile Editor and Managing Editor of Health and Wellness. Currently, she is a freelance editor. Throughout her career, she's written about ...

The Fitbit Charge 6, the latest addition to Fitbit's lineup of fitness trackers, has introduced a significant advancement in health monitoring with its built-in blood oxygen saturation (SpO2) feature.