2.01" TFT screen, 240*296 pixel HD visual experience. The large screen area and optimized user interface make it easy to see and operate all kinds of content at a glance All-weather blood oxygen, blood pressure, heart rate monitoring, health always online Sleep detection technology can record complete sleep structure and sporadic naps to identify the six major sleep problems. Provide sleep improvement suggestions and personalized sleep assistance services to scientifically improve sleep quality Based on real-time heart rate monitoring and algorithm analysis, the smart watch supports 100+ sports modes, which can be used to monitor your sports performance, customize your exercise plan, adjust your training intensity, and set exercise goals and reminders It has IP68 dustproof and waterproof ability to meet the waterproof requirements of daily sports life and sports. Whether it's sweating or splashing with a small raindrop, it can handle it with ease Specifications: Waterproof IP68 Outlook&Material Plastic ABS+PC case+anti-static silicone strap Chipset JL 7012F6 LCD style TFT screen LCD Resolution 2.01 240*296 Screen Size 2.01-inch square screen Touch Panel Full screen touch (full fit) Memory (ROM+RAM) RAM:578KB External Memory 64MB G-Sensor Silan SC7A2O Bluetooth Version 5.2 MobileAPP-GPS YES Heart rate sensor Tianyi Hexin HX3600 Vibrator YES Battery Type polymer battery Battery Protection Board Seiko board Battery Capacity 280mAh Charging time 2.5-3 hours Theory Standby time 10 days-15 days Normal using time 5 days-7 days Software Function&App Compability Support Android 5.0 and above; Apple IOS 9.0 and above watch-multi-Language support Chinese, Traditional Chinese, English, German, Korean, Spanish, Japanese, French, Russian, Arabic, Ukrainian, Italian, Portuguese APP Sports management 3 kinds sprot type APP sports, bracelet sports, APP bracelet two-way linkage (APP synchronizes bracelet data) 123 kinds sprot model Walking, running, cycling, skipping, basketball, football, badminton, swimming, etc... 8 kinds sprot data According to the movement mode, the number of steps, exercise time, GPS movement track, calories, exercise heart rate tracking, mileage and other data are displayed respectively. Watch face Market There are 5 watch faces by default, 1 watch face can be customized, and more watch faces can be downloaded through the watch face market. APP multi-Language support Arabic, Bulgarian, Czech, Danish, German, Spanish, Finnish, French, Hindi, Croatian, Indonesian, Italian, Japanese, Korean, Norwegian, Dutch, Polish, Pashtun, Portuguese, Russ