1.? After connecting to Bluetooth, you can respond directly or search through the smart watch. The 'Da FIT' application always stores more than one person who allows you to stay in connection with your family and friends anywhere. Get real -time notifications about smart watch for incoming calls or messages (WhatsApp, Facebook, Instagram, etc.). Air estimation, calling, alarms adjustment and so on. Talk to AI Sound assistant for quick help. You can select the background image for your watch face (family, pets or other photos you want) and download and use from the 'FIT' application on the 1.85 -inch full -touch HD screen. The system more than 100 clock faces with more than 100 sports mode. Monitoring your daily data such as steps, time, distance and calories and connects to GPs on your phone to record all your training routes and fitness using the 'FIT' application to motivate yourself more to complete your exercise plan. IP68 is a waterproof device that can meet your daily needs. (Note: sauna, hot water, swimming, not for diving) 4.?[Monitor Health Real Time Health] Fitness clock for women and men uses high -performance optical sensors to monitor real -time 24/7 dynamic heart rate. You can also follow your personal sleep correctly and detect blood oxygen saturation and stress levels to adjust your physical condition in a timely manner. The application a detailed sleep quality analysis report (light/deep/awake sleeping stage) that helps you set your lifestyle to a ier lifestyle. (Note: This hour cannot be used as a medical diagnostic tool.) 5. 350mAh, 350mAh, which provides usage up to 7 days and waiting for about 30 days with 2 hours of charge. 6.? Please do not hesitate to reach us for the problems you encounter.