Polar h10: why is my heart rate flat on the app, but continuous on Garmin watch : r/Polarfitness

Polar h10: why is my heart rate flat on the app, but continuous on Garmin watch : r/Polarfitness

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Polar H10 Heart Rate Monitor Chest Strap - ANT + Bluetooth, Waterproof HR Sensor for Men and Women (NEW) : Sports & Outdoors

71% Polyester, 29% Spandex Made in the USA or Imported WORKS WITH EVERYTHING: Polar HRM works with many sports and smart watches (Polar, Garmin,

Polar H10 Heart Rate Monitor Chest Strap - ANT + Bluetooth, Waterproof HR Sensor for Men and Women

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How to fix Polar H9/H10 Heart rate sensor dropouts : r/Polarfitness