Bluetooth Smart Health Monitoring Watch

FEATURES 1.43-INCH HD TOUCHSCREEN - Enjoy an ultra-clear visual experience on a retina-grade screen with a resolution of 360x360. The vibrant full-touch display ensures smooth operation and vivid color reproduction in any lighting condition. HEART HEALTH INDEX ANALYSIS - HRV, or heart rate variability, is an important indicator of the nervous system's regulatory capacity on the cardiovascular system, measured by the variation in the differences between successive heartbeat cycles. LARGE-CAPACITY BATTERY - Equipped with a 530mAh battery and optimized smart power-saving algorithms for extended battery life, alleviating battery anxiety. With a full charge, standby time can last up to 30+ days, and battery life in heavy-use scenarios can reach 5-10 days, ensuring you're fully prepared for every outing. BLUETOOTH CALLING & SOS EMERGENCY FUNCTION - Make calls directly from your wrist and activate the SOS alert to immediately receive assistance from trusted contacts—this feature is ess