ET540 1.85 inch HD Screen bluetooth Call Heart Rate Blood Pressure SpO2 Monitor Non-invasive Blood Glucose AI Medical Diagnosis HRV Mett Electrocardiogram NFC Menstrual Tracking Music Playback IP67 Wa

ET540 1.85 inch HD Screen bluetooth Call Heart Rate Blood Pressure SpO2 Monitor Non-invasive Blood Glucose AI Medical Diagnosis HRV Mett Electrocardiogram NFC Menstrual Tracking Music Playback IP67 Wa

$41.99

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