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Amazon.com: Garmin Forerunner 945 Bundle, Premium GPS Running/Triathlon Smartwatch with Music, Black + HRM Swim & HRM Tri : Electronics
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Garmin Heart Rate Transmitter & Strap HRM-Tri for Swimming Running Cycling Triathlon HRM-DUAL Heart Rate Monitor HRM-Pro Sensor
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Introducing HRM-Tri™ and HRM-Swim™ - the first heart rate monitors from Garmin® designed for use underwater - Garmin Blog
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