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 ...

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 ...

Oppo Watch S was launched in China by the tech firm on Thursday, along with the Oppo Find X9 series. The company also launched the Oppo Pad 5 during its October 2025 event. The new smartwatch will be ...

There’s a new wearable tech metric in town – and it’s all about blood oxygen. It might sound complicated and a little pointless, but pulse ox can reveal conditions like sleep apnea – and help athletes ...

While at CES 2016, I got a sneak preview of the MAX30102 optical sensor. I met with Maxim Integrated and saw a really neat optical heart rate IC for the wrist, finger, or even the ear. Any reasonably ...

As runners, we love our metrics, and 2020 has brought a buzzy new one to the forefront: pulse oximetry. Apple launched the Apple Watch Series 6 on September 18, touting pulse oximetry (or blood oxygen ...