: Look for ECG (Electrocardiogram) to detect irregular heart rhythms like AFib and Blood Oxygen (SpO2) sensors.
: Advanced models like the Samsung Galaxy Watch 7 provide "Energy Scores" and detect sleep apnea. smart watches buy
Smartwatches - Wearable Technology: Electronics - Amazon.com : Look for ECG (Electrocardiogram) to detect irregular
: High-end models from Apple and Samsung include Fall Detection and Emergency SOS , which can automatically alert emergency services or family if you are immobilized. smart watches buy