Fitness Tracker: This smartwatch can monitor the user's daily activities, such as walking, running, cycling, etc., to help users better understand and improve their sports performance.Sleep Tracker: Through high-precision sleep monitoring technology, users can understand their sleep quality and duration every day, so as to optimize their sleep habits and improve the quality of life.Call and Notification Function: The watch has the function of making and receiving calls, and supports push notifications from smartphones, so that you can stay connected to social and work anytime and anywhere.Blood Oxygen Monitoring: Equipped with an advanced blood oxygen sensor, it can monitor blood oxygen saturation in real time, suitable for high-intensity exercise and health monitoring, so that users can understand their health status at any time.Long-lasting battery life: Built-in 3.7V/240mAh high-efficiency battery, supports ultra-long battery life of 4 to 15 days, reduces the trouble of frequent charging, and allows users to focus more on daily life and exercise.