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Make sure this fits by entering your model number. Care for heart health - One touch to start heart condition monitoring with heart rhythm and more to get research grade heart health condition data. Easy to use - Wear the DuoEK with chest strap OR Hold the DuoEK with your fingers to detect your Heart rhythm waveform reading in a matter of moments. No wires, no patches, and no gels to worry about. Easily access to reports - Bluetooth compatibility allows DuoEK to work with most iOS & Android smartphones & tablets. History and Report - Easy recored management on Vihealth, free to access, review and share recored and reports. Free Lifetime Technical Support - An investment in the Checkme DUOEK Wearable Heart will mean access to lifetime technical support, rapid customer service response within 24 hours or less, and a 12-month worry free warranty. Checkme DUOEK Wearable Heart Monitoring Device for iPhone & Android | Bluetooth Heart Health Monitor for Heart Rhythm Waveform for Use at Home and On The Go - BDZX1YTQC