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Amazon.com : sec Portable Heart Rate Monitor - Heart Rhythm Tracker with Smartphone App, Wireless Home Use Heart Monitoring Devices Compatible with iPhone/Android Tablets : Sports & Outdoors
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Amazon.com : SonoHealth Portable EKG Heart Rate Monitor: Cardiac Mobile Heart Monitor - Fingertip Touch - Multiple Lead ECG Monitor (Electrocardiogram) - Arrhythmia & PVC Detection - Standalone or with Mobile App : Sports & Outdoors
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Amazon.com : sec Portable Heart Rate Monitor - Heart Rhythm Tracker with Smartphone App, Wireless Home Use Heart Monitoring Devices Compatible with iPhone/Android Tablets : Sports & Outdoors
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