WITHINGS ScanWatch 2 Hybrid Smart Watch - Black, 42 mm, Black,Silver/Grey319.00Buy!£Currys.co.ukDelivery: to United Kingdom ReportScanWatch 2 isn't just a snazzy smartwatch with health tracking - it's a medical-grade electrocardiogram. Its upgraded PPG heart rate sensor makes this even more accurate than the original. It can rel more→iably detect potentially serious heart rate irregularities, including atrial fibrillation. And you can relax because you'll be notified in real-time, 24-7. And you'll sleep soundly too, with clinically validated SpO2 keeping a watchful eye. Throughout the night, sensors monitor your breathing for disturbances that could indicate apneic episodes. And then you'll wake up to a sleep score. Withing's latest trick is day and night temp tracking. Any big changes in body temperature and