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The first Observer-Handheld ECG monitor with FDA approval,?is designed for home use with the purpose of health care--Heart Condition Analysis with Waveform Display. Users can choose different measurement modes as they like, 30?seconds for easy mode or continuous mode for a long time measurement. The USB interface can fulfill the data transmission perfectly! The stored waveforms and analysis results help users do the review freely and obtain heart health alerts instantly.? This product has a palm-sized compact design which makes for convenient p...