Galaxy Watch 3 review: A stunning smartwatch with SpO2 tracking and ECG - CNET
SPO2 measured with my watch active 2 : r/GalaxyWatch
Samsung finally enables blood pressure monitoring on the Galaxy Watch Active 2; functionality teased for the Galaxy Watch 3 too - NotebookCheck.net News
Oximeter vs Smartwatch: Can Wearables Track Blood Oxygen Reliably and Which One Should You Buy? - News18
Google Pixel Watch gains support for SpO2 (blood oxygen saturation) tracking
How reliable is the SPo2 readings on the Galaxy Watch 4. I'm surprised to see it this low. Can cold environments cause stuff like this? : r/ GalaxyWatch
Amazon.com: SAMSUNG Galaxy Watch Active 2 (40mm, GPS, Bluetooth) Smart Watch with Advanced Health Monitoring, Fitness Tracking, and Long Lasting Battery, Aqua Black (US Version) : Electronics