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Forerunner 245's pulse ox inaccurate? 90% is not normal for someone who doesn't smoke and who's not out of breath. Plus most of the time they struggle to get a reading. What's
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Forerunner 245 Pulse Ox ridiculously inaccurate - Forerunner 245 Series - Running/Multisport - Garmin Forums
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Questions and Answers: Garmin Forerunner 245 GPS Smartwatch 42mm Fiber-Reinforced Polymer Berry 010-02120-01 - Best Buy
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