Set up your Polar M400 and Polar Flow App on Vimeo

polar flow does not connect/sync with flow app, even after resetting everything. : r/Polarfitness

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Polar Flow App Get Started

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Polar Flow App Get Started

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Set up your Polar M400 and Polar Flow App on Vimeo

Polar M400 with heart rate sensor review - The Gadgeteer

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Polar M400 Tutorial Get Started

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Polar M400