Fitbit has released an update for its Versa and Ionic lines that lets you quickly check your blood oxygen saturation. The new Fitbit SpO2 Signature watch face shows your overnight SpO2 readings, which ...

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

Oxygen is absorbed by a protein in your blood called hemoglobin. When you breathe, your lungs load up blood cells with oxygen, then the pumping of your heart circulates the oxygen-rich blood through ...

The latest Fitbit smartwatches offer a lot more when it comes to hardware, but on the software, they shipped a few of those features without taking full advantage of them. Starting today, Fitbit is ...

Normal blood oxygen level is either 95%-100% SpO2 on an oximeter or 80-100 mm Hg from an ABG test. ABG tests are more accurate than pulse oximeters, which have a ...

The accuracy of pulse oximetry readings on individuals with darker skin tones has been questioned by researchers. The FDA addressed the issue at a meeting last year, citing real-world studies showing ...