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.

Two easily measurable signs of health - respiration rate and blood-oxygen saturation - are distinctly predictive of higher mortality among patients hospitalized with COVID-19, according to a study ...

After initially appearing early for some users, an update to the Google Pixel Watch will officially roll out SpO2 monitoring data to all owners of the smartwatch. Until now, the sensor has laid ...