Galaxy Watch 3 first look: SpO2, ECG, blood pressure, and more! - YouTube
Pulse Oximeter on Samsung phones ( How to measure SPo2 levels and Heart-rate) - YouTube
Der SpO2-Sensor der Samsung Galaxy Watch4 zeigt in einer Studie mehrere Schwächen - Notebookcheck.com News
Note 4 - Oxygen Saturation Accuracy Test (holding my breathe) - YouTube
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
Deal: Die Samsung Galaxy Watch4 mit EKG, Blutdruck- und SpO2-Sensor gibts aktuell für nur 165 Euro - Notebookcheck.com News