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
Samsung Galaxy Watch 4 review | Tom's Guide
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Samsung Galaxy Watch 4 review: A Wear OS watch for Samsung fans
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Samsung Galaxy Watch Review | Digital Trends
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Global Version Samsung Galaxy Watch 4 Classic 46mm Bluetooth R890 1.4'' Amoled Display Nfc Spo2 R895 Lte Watch4 Smartwatch - Smart Watches - AliExpress
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