What do HRV, activity, sleep patterns, and temperature have in common? They all power our new Vitality Indicator—built to help you find balance and gain a deeper understanding of your body’s rhythms. #RestoreYourNights #SuperchargeYourDays #OwnYourVitality — ScanWatch 2 incorporates the medical device software Withings ECG App. Withings ECG App enables the detection of atrial fibrillation through ECG readings. The ECG functionality has been cleared by the FDA. Please read the user instructions carefully. If you have any concerns about your results, consult your doctor.