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Samsung Galaxy Watch Active2 update adds VO2 max measurement, Smart Reply for chats - GSMArena.com news
Max Weinbach on Twitter: "The blood oxygen on the Galaxy Watch3 is *so* inaccurate. Watch says 83%, actual pulse oximeter says 98%. Absolutely do not trust it for anything close to accurate." / Twitter
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Samsung Galaxy Watch 4 Study Shows its SpO2 Blood Oxygen Sensor is Impressively Accurate | iTech Post
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Samsung improves Galaxy Watch 3's blood oxygen (SpO2) monitoring with new firmware update - Sammy Fans
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