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Charge 3, Polar T34 chest strap, and Sense heart rates compared. ...Can I try to return it if it doesn't work? It's been like this for days and I've contacted support and
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Amazon.com: Compatible with Fitbit Charge 5 Bands, ( Polar Bears Silhouette Pattern ) Replacement Leather Smartwatch Wristband Bracelet Strap Accessory for Men and Women : Clothing, Shoes & Jewelry
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Devices positioning. Polar H7, Fitbit Charge 2, Garmin VivoSmart HR+,... | Download Scientific Diagram
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