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UPDATE Short-term Polar products: Polar V830 and Polar OH1 (announced) - Correr una Maratón - Review of Garmin, Polar, Suunto, COROS...
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Amazon.com: LIVLOV V11 Replacement Armband Strap Compatible with Scosche Rhythm+, Polar OH1, Magene Heart Rate Monitor, 25mm Adjustable Waterproof Wristband for Garmin Smartwatch : Electronics
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