Amazon.com: SAMSUNG Galaxy Watch 3 Stainless Steel (41mm) SpO2 Oxygen, Sleep, GPS Sports + Fitness Smartwatch, IP68 Water Resistant, International Model - No S Pay SM-R850 (Fast Charge Cube Bundle, Silver) :
Do Samsung Galaxy Watch 4 and Watch 4 Classic have a SpO2 sensor? - Quora
Does the Samsung Galaxy Watch 4 support blood oxygen monitoring? | Android Central
Samsung finally enables blood pressure monitoring on the Galaxy Watch Active 2; functionality teased for the Galaxy Watch 3 too - NotebookCheck.net News
Study shows Galaxy Watch 4 SpO2 sensor accuracy comparable to medical tools - SamMobile
Galaxy watch 4 Oxygen saturation surely this isn't right ... : r/GalaxyWatch
The Google Pixel Watch is finally getting a long-awaited feature | Digital Trends
Google Pixel Watch Is Getting SpO2 Measurement Function - Gizmochina
Samsung Watch 5 Pro - Blood Oxygen Monitor Garbage ? - Samsung Community
Samsung Galaxy Watch 5 Blood Oxygen SpO2 Accuracy Test With A Professional Oximeter ⌚⚡ - YouTube
Samsung Galaxy Watch 4 review: A Wear OS watch for Samsung fans
Performance evaluation of a wrist-worn reflectance pulse oximeter during sleep - ScienceDirect