CNET’s expert staff reviews and rates dozens of new products and services each month, building on more than a quarter century of expertise. The Apple Watch Series 6 feels like it has perfected many of ...

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 ...

Following the March 2026 update for Google Pixel Watch devices, a number of users are reporting that their SpO2 ...

Older builds work fine ...

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 ...

Pixel Watch users report that since the March update, their wearables have been failing to collect SpO2 and skin temperature ...

We are witnessing the worst pandemic situation in the form of coronavirus scare. The cases are increasing sharply and that is leading to massive chaos in hospitals. The condition of many people is ...

Smartwatches can measure everything from heart rate to sleep quality, but one health metric has become particularly relevant over the past two years: blood oxygen saturation. Two of the world's ...

Maintaining a healthy blood oxygen saturation level, often referred to as SPO2 (or SpO2), is crucial for blood circulation of your body. SPO2 measures the amount of oxygen in your bloodstream, and ...

GE HealthCare is recalling 7559 TruSignal arterial oxygen saturation (SpO2) sensors because of problems that may reduce defibrillation energy, expose patients to unintended voltage, or give inaccurate ...