The Green Lion Ultimate Smart Watch emerges as a groundbreaking development in the smartwatch realm, combining a multitude of advanced functionalities. It comes equipped with a resilient 250 mAh battery, capable of providing up to 10 days of continuous use, and features a comprehensive suite of health monitoring sensors, including ECG, sleep tracking, blood oxygen, and heart rate monitoring, all aimed at addressing your health monitoring needs. The watch's intuitive interface includes a double-tap feature and an always-on display, along with Bluetooth calling capabilities for improved connectivity. Enhancing its functionality, it houses various applications such as a calculator, games, and facilitates the effortless reception of notifications