Your earphones can now track your heart rate, oxygen levels - here’s how

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

Are Wearable Trackers Accurate? A Doctor Explains The Data On 9 Brands

From the Oura Ring to the Apple Watch to the Google Pixel — here's what the science really says about the accuracy of their health data ...
The Droid Guy

Fitbit Charge 6 Blood Oxygen Monitor: Everything You Need Know

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.
The Manila Times

Herz P1 Smart Band 2026: What It Tracks, How It Works, and What Consumers Should Know Before Buying

A 2026 Informational Overview of the Herz P1 Smart Band's Subscription-Free Health Monitoring Features, Heart Rate and HRV Tracking, Sleep Quality Analysis, Blood Oxygen and SpO2 Sensors, Stress and ...