Put simply, SpO2 is a measure of blood oxygen saturation. The more oxygen you have in your blood, the higher your SpO2 levels are going to be. Seeing as our bodies need oxygen to survive, we can ...

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 ...

One of the most important metrics on a Fitbit tracker is the Estimated Oxygen Variation—and now that every tracker is fitted with an SpO2 sensor, everyone can take advantage. Blood oxygen may be used ...

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 ...

Measuring blood oxygen levels on the Apple Watch has been a staple of its health monitoring experience since it arrived. Yet, an ongoing patent dispute in the US has complicated matters over the last ...

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 ...

SpO2 data is hard to interpret Still requires daily charge with sleep tracking and always on display The Apple Watch Series 6 feels like it has perfected many of the features I liked about its ...

At its Reno 7 series launch event, Oppo launched some accessories as well like the Oppo Watch Free and a green-coloured Oppo Enco M32. The former is a pared-back model compared to the original Oppo ...

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 ...