CNET’s expert staff reviews and rates dozens of new products and services each month, building on more than a quarter century of expertise. The Apple Watch Series 6 feels like it has perfected many of ...

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 ...

The bioengineer Takuo Aoyagi died in Tokyo in April, around the same time that people began clamouring to panic buy his 1970s invention, the pulse oximeter. Blood oxygen saturation, which pulse ...

Sanuj Bhatia, the managing editor at Pocketnow, is responsible for supervising and contributing to all the content published on the website, including news, reviews, features, and how-tos. He began ...