Polar H10 rate dropping down erroneously : r/Polarfitness

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Polar H10 heart rate dropping in the last part of workout, is the strap/sensor defective? It has only 4 months. : r/Polarfitness

H10 HR drop out : r/Polarfitness

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H10 Heart Rate Not Connecting to Polar Flow App : r/Polarfitness

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Polar H10 Heart Rate Monitor: Very Long Term In-Depth Review

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Polar H7 Bluetooth Heart Rate Sensor & Fitness Tracker (Black, X-Small/Small) : Heart Rate Monitors : Sports & Outdoors

Polar H7 Bluetooth Heart Rate Sensor & Fitness Tracker (Black, X-Small/Small) : Heart Rate Monitors : Sports & Outdoors