Well-designed stainless steel material Sapphire crystal, transparent and wear-resistant, metal frame, digital and animated display combined light and solid for better experience 1.39 inch 454*454 AMOLED screen Speed dial, direct call You can make a call with one touch directly via the watch. When there is an incoming call, you can answer and make a call directly through the watch. Free your phone All-day heart rate monitoring The watch is equipped with an optical heart rate sensor that can perform 24-hour non-stop daily high-precision heart rate monitoring. PPG + ECG dual test ECG Based on intelligent pulse wave technology and hardware standard, through the principle of ECG measurement capture the bioelectric signal of the heart, 30s to display ECG data Al ECG assisted report, which can be read without professional ecg knowledge Professional-grade ECG chipping data accuracy algorithm Follow the instructions to wear the watch correctly and place your right hand on the ECG contact piece. Wait 30 seconds for data to come out, more accurate measurement in idle state Switch between multiple watch faces at will A variety of built-in unique styles and themes, watch faces and app watch faces to choose from to meet your needs for different scenes and make you stand out every time Multiple movement modes A variety of exercise modes, real-time continuous heart rate monitoring, intelligent exercise algorithm presents exercise steps, heart rate and other exercise data to you exercise help you develop a workout plan that's right for you Breathing training always pay attention to lung health Incoming calls, text messages, app notifications... Quick alerts Voice assistant Rich voice commands, apps for fusion, when needed, you may not need touch operation, voice, call background application commands Watch the Outplay songs, listen the way you want Not just a music controller. Both can control phone music play, pause, previous/next song You can also use the watch to play music directly from your phone via Bluetooth Wrist compass Easy location identification on expeditions with mode self-correcting compass Sleep Monitoring Monitor your sleep time with sleep position and sleep quality monitoring, in-depth understanding of deep sleep, light sleep, wakefulness, etc. You can also learn sleep history through app Rich app shortcut operation A variety of commonly used smart functions, remote control photography, SMS reminders, sedentary reminders, smart stopwatch, etc., a variety of practical tools for make your daily life easier