Samsung Galaxy Watch5 Smart Watch, Health Monitoring, Fitness Tracker, Long Lasting Battery, Bluetooth, 40mm, Silver, 3Year Warranty Check Offer Price . . Sleep tracker – know your sleep with our improved sleep tracking technology. Plan your bedtime, detect snoring, understand and track your sleep stages. Watch your heart – the powerful 3-in-1 Samsung BioActive sensor controls three health sensors effectively: Bioelectrical Impedance Analysis sensor, Electrical Heart sensor (ECG), and Optical Heart Rate sensor. Fast charging battery – the Watch5 takes about 30 minutes to go from 0% up to 45% charge. With a bigger battery than its predecessors and fast...