1.46'' large HD screen, with high resolution, easy to view and read the data With the waterproof design, whether washing hands or daily use, you don't have to worry about water ingress When the watch is connected to a mobile phone via Bluetooth, the watch can make Bluetooth call It can monitor blood oxygen and blood pressure saturation and automatically provide accurate blood oxygen level detection Automatically monitor your sleep at night, so that you can better understand your sleep state Support sedentary reminder function and multiple exercise modes, helps you live a healthy life With built-in 280mAh battery, it can be used for about 7 days when fully charged It's undoubtedly your reliable companion for monitoring your heart rate/mood/sleeping status? Specification: Monitor screen: 1.46 inch, 360*360 high resolution Main control chip: JL7012 Gravity sensor: ST8321 Body temperature sensor: CT1711 array Bluetooth version: 5.0 Waterproof grade: IP67 Battery capacity: 280mAh Charging mode: magnetic charging APP: HealthWear System: Android 4.4 and above, iOS 8.2 and above Features: ECG electrocardiogram function, Bluetooth call, blood glucose measurement, uric acid measurement, blood lipid monitoring, HRV-AI medical diagnosis, body temperature monitoring, blood oxygen monitoring, SOS emergency call function, breathing rate, heart rate monitoring, blood pressure monitoring, sleep monitoring, long-term Sit reminder and other health functions Sports function: step counting/calorie/distance, multi-sport mode Other functions: stopwatch, flashlight, countdown, step counting, calories, distance, sleep monitoring, exercise mode, call reminder, alarm clock reminder, raising hand to brighten the screen, social sharing (WeChat, QQ, Facebook, Twitter), etc Watch languages: Chinese, English, Traditional Chinese, Japanese, French, German, Italian, Korean APP language: Chinese, Traditional Chinese, English, Japanese, German, Russian, Italian, French, Spanish, Portuguese, Thai, Czech, Greek, Polish, Vietnamese, Turkish, Romanian, Hungarian, Danish, Finnish, Arabic, Ukrainian, Hebrew, Persian, Irish, Slovak, Korean, Croatian, Swedish, Bokmal, Norwegian