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 ...

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 ...

Demand for pulse oximeters has soared during the pandemic. However, these devices—an essential part of oxygen therapy for covid-19 treatment—are no longer easy to get. And the market is flooded with ...

The ECG sensor on the Apple Watch Series 7 (Rs 41,900 onwards) is the most seasoned on any wearable available currently. Remember this line from the launch of the first Apple Watch in 2014: “Apple ...