Bluetooth Answer/DialThis smartwatch can make calls after connecting to Bluetooth, you can directly dial the phone number on the screen and answer the call. Bluetooth 5.0 (supports Android 4.4, IOS9.0 and above), using high-fidelity waterproof speakers, allows you to exercise, fitness and cycling hands-free. If you don't need the call function, just turn off the audio mode on the watch.Advanced AMOLED Screen1.36-inch retina-level AMOLED Always On Display, 390*390 HD resolution, clearer, smoother, more vivid and more delicate. AMOLED's unique Always On function can also keep the display time in standby mode. It consumes less energy than ordinary TFT and IPS screens, has a longer standby time, and is always on all day.Fitness Tracker with 13 Sports ModesThis fitness tracker watch can accurately provide 24-hour heart rate monitoring, calorie burn counter, step counter, sleep monitoring and female cycle tracking. 13 sports modes are available, including a variety of outdoor and indoor activities, allowing you to get real-time statistics during exercise on the watch.Heart rate and blood oxygen monitorThis fitness smartwatch with receiving/dialing function can detect your blood pressure and heart rate. You can enable 24-hour heart rate detection in the APP. The health watch monitors your heart rate 24/7 with high precision, allowing you to understand how your body feels and prioritize your training endurance.Smartwatch with more practical functionsThis watch fits 6.2-9.2 inch wrists and is suitable for women and men. It has many practical functions, such as calls, message reminders, IP68 waterproof, women's menstrual cycle tracker, alarm clock, music control, stopwatch, timer, sedentary reminder.