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Polar WearLink+ transmitter Nike+ - Heart rate sensor - for heart rate monitor - for Polar FT1, FT2, FT4, FT4M, FT60, FT7F, FT7M, FT80, RCX5, RS300X - Walmart.com - Walmart.com
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HOW TO use a heart rate monitor - Polar Wearlink+ Nike+ 6th Gen iPod Nano Review by ChicagoBlissKim - YouTube
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