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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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Smartwatch Samsung Galaxy Watch4 LTE in review: Many functions, little endurance - NotebookCheck.net Reviews
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Amazon.com: SAMSUNG Galaxy Watch 4 44mm Smartwatch with ECG Monitor Tracker for Health, Fitness, Running, Sleep Cycles, GPS Fall Detection, Bluetooth, US Version, Black : Electronics
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