Amazon.com: Samsung Galaxy Watch4 Classic 46mm Smartwatch LTE, Blood Pressure Monitor in Silver with White Ridge Sport Band (Renewed) : Cell Phones & Accessories
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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
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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) :
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