Call Function: Built-in speaker, you can make calls or answer calls through the watch after connecting Bluetooth, you won’t miss any important calls when you are exercising, cycling , run… HD display and rotary knob: With a large 1.8-inch HD color display, equipped with a rotary knob, you can select the dial or function you want via the button, which is very convenient and simple. Sports Health Assistant: More than 120 sports modes, there is always a sports mode you like, which can track your exercise data better, you can know your calories, exercise time, exercise heart rate etc. More Watch Faces and Custom Watch Faces: You can also choose your picture as your watch face, like your selfie or a photo of your child, family, pet, etc. More functions: calculator, tracker u sleep, multisport mode, weather sync, heart rate monitor, blood pressure monitor, Spo2 monitor, music control, information push, custom watch faces, music player, camera control, AI voice assistant, alarm clock,