Bluetooth Calling and HD Large ScreenEquipped with a 1.27-inch HD large screen with a resolution of 360*360, built-in microphone and speaker. After connecting to the mobile phone via Bluetooth, you can make and receive calls directly on the watch to ensure that you will not miss any important calls.Comprehensive Health Monitoring and Smart NotificationWith heart rate monitoring, blood oxygen monitoring and sleep monitoring functions, it tracks health data in real time. Supports SMS, social media and phone reminders, so you can always keep up with important information.More than 100 sports modes and waterproof functionSupports more than 100 sports modes such as running, cycling, basketball, etc., and records heart rate, steps and calorie consumption during exercise. IP68 waterproof design, suitable for daily wear and sports use.Multi-function support and cool dialWith music playback function. Multiple cool dials are available for users to choose to show style.Long-lasting battery and fast chargingBuilt-in 280mAh battery, providing long battery life to meet daily and sports needs.