When Fitbit launched the Charge 4 fitness band, one of the features we found the most interesting was its ability to estimate users' blood oxygen saturation levels through its SpO2 monitor. Users ...

The Fitbit Charge 6, the latest addition to Fitbit's lineup of fitness trackers, has introduced a significant advancement in health monitoring with its built-in blood oxygen saturation (SpO2) feature.

A 2026 Informational Overview of the Herz P1 Smart Band's Subscription-Free Health Monitoring Features, Heart Rate and HRV ...

Some earphones track heart rate and oxygen levels using Photoplethysmography and Pulse Oximetry, integrating wellness ...

Fitbit has dropped a patent for a medical grade smart ring, in what could be a dramatic new form factor for the Google-owned company. A filing at the US Patent and Trademark Office (spotted by ...

Chethan is a reporter at Android Police, focusing on the weekend news coverage for the site. He has covered tech for over a decade with multiple publications, including the likes of Times Internet, ...