is a senior reporter and author of the Optimizer newsletter. She has more than 13 years of experience reporting on wearables, health tech, and more. Before coming to The Verge, she worked for Gizmodo ...

Fitbit has unveiled the third device in the Fitbit Charge family, the Fitbit Charge 3, and the new version adds SpO2 tracking among other health tracking improvements. The device will be available ...

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 ...

While we await what Google has in store for the recently acquired Fitbit, the fitness tracker firm has laid out plans to develop sleep apnea tracking. An estimated 22 million American adult have the ...

Withings ScanWatch Keeps Tabs on Your Breathing, Heart Rate The ScanWatch features an ECG reader to check for heart irregularities, and an SpO2 sensor, which can help users better detect sleep apnea.

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 ...