![Samsung improves Galaxy Watch 3's blood oxygen (SpO2) monitoring with new firmware update - Sammy Fans Samsung improves Galaxy Watch 3's blood oxygen (SpO2) monitoring with new firmware update - Sammy Fans](https://www.sammyfans.com/wp-content/uploads/2020/09/Galaxy-Watch-3.jpg)
Samsung improves Galaxy Watch 3's blood oxygen (SpO2) monitoring with new firmware update - Sammy Fans
![Amazon.com: Samsung Galaxy Watch 3 Stainless Steel (41mm) SpO2 Oxygen, Sleep, GPS Sports + Fitness Smartwatch, IP68 Water Resistant, International Model SM-R850 (Fast Charge Cube Bundle, Mystic Silver) (Renewed) : Everything Else Amazon.com: Samsung Galaxy Watch 3 Stainless Steel (41mm) SpO2 Oxygen, Sleep, GPS Sports + Fitness Smartwatch, IP68 Water Resistant, International Model SM-R850 (Fast Charge Cube Bundle, Mystic Silver) (Renewed) : Everything Else](https://m.media-amazon.com/images/I/61TSoCNtYTS.jpg)
Amazon.com: Samsung Galaxy Watch 3 Stainless Steel (41mm) SpO2 Oxygen, Sleep, GPS Sports + Fitness Smartwatch, IP68 Water Resistant, International Model SM-R850 (Fast Charge Cube Bundle, Mystic Silver) (Renewed) : Everything Else
![Samsung Galaxy Watch 4 Study Shows its SpO2 Blood Oxygen Sensor is Impressively Accurate | iTech Post Samsung Galaxy Watch 4 Study Shows its SpO2 Blood Oxygen Sensor is Impressively Accurate | iTech Post](https://1401700980.rsc.cdn77.org/data/images/full/107407/samsung-galaxy-watch-4-study-shows-its-spo2-blood-oxygen-sensor-is-impressively-accurate.jpg)
Samsung Galaxy Watch 4 Study Shows its SpO2 Blood Oxygen Sensor is Impressively Accurate | iTech Post
![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 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](https://i.redd.it/how-reliable-is-the-spo2-readings-on-the-galaxy-watch-4-im-v0-9am1uan7p5j81.jpg?width=1440&format=pjpg&auto=webp&s=def484d35267a3f911dc54d624d0ba1fcd45115c)