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

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 ...

Older builds work fine ...

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 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 reported problems with a couple of features after the March update.

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 ...

Pulse oximetry, a simple test for blood oxygen saturation, has the potential to detect congenital cardiac abnormalities in newborn babies that might be missed by antenatal ultrasonography and neonatal ...