•1.43-inch AMOLED display screen, 466 * 466 high-definition resolution, equipped with high-precision full-touch IC and outstanding display brings the smoother operation •Supports Bluetooth calls, which can answer hang-up phone calls, and can also call back through the watch's call history, saving time and effort in communication •Based on the bio-tracking optical sensor, it can monitor the trend of your heart rate 24 hours a day and warn you of an excessively high heart rate, helping you keep track of changes in your body •The smartwatch performs automatic sleep monitoring at night and can identify and record your deep sleep, light sleep, and awake states to quantify your sleep quality •It supports 100+ sports modes such as running, cycling, basketball, football, etc., and can monitor important data such as heart rate, distance, time, and calorie consumption during exercise in real-time Specifications: Screen Size 1.43 inches Screen Type AMOLED Case Material Plastic Frame Material Zinc Alloy Surface Material Glass Main Chip ATS3085L Acceleration Sensor STK8321 PPG Heart Rate Sensor HX3605 GPS Chip BCM47755 Pressure Not supported Geomagnetic (Compass) Not supported Touch IC Haili Tron 820 Touch Method Full Touch Motor SMT motor Display 1.43-inch round screen Resolution 466*466 Flash Size 128M Bluetooth Version BLE5.3 Battery Type Polymer Battery Battery Capacity 400mAh Charging Method Dock charging Supported Languages English, French, German, Italian, Spanish, Russian, Portuguese, Turkish, Polish APP Display Language English, Chinese, Korean, Japanese, Russian, German, Italian, Spanish, French, Portuguese, Hindi, Polish Heart Rate Detection YES Timed Heart Rate Monitoring YES Heart Rate Warning YES Blood Pressure Monitoring NO Timed Blood Pressure Monitoring NO Blood Oxygen Detection YES Timed Oxygen Monitoring NO Sleep Monitoring YES Step Counting YES Movement Distance YES Calorie Consumption YES Raise Hand to Light up the Screen YES Wrist Flip to Light up the Screen YES Waterproof Rating IPX8 Sports Mode Running, Cycling, Indoor Sports, Outdoor Sports, Snow Sports, Ball Games, Dance Sports, Fighting Sports, Archery, Equestrian Sports, Jumping Rope, Darts, Kite, Tug-of-War Alarm Clock Reminder YES Sedentary Reminder YES Drinking Water Reminder YES Event Reminder YES Incoming Call Reminder YES SMS Reminder YES WeChat Reminder YES QQ Reminder YES Skype YES Whatsapp YES Facebook YES Messenger YES LinkedIn YES Twitter YES Viber YES Line YES Gmail YES Outlook YES Instagram YES Snapchat YES Mail YES Calendar YES ZALO YES Telegram YES Kakao Talk YES VK YES OK YES ICQ New YES YouTube YES Other Reminder YES Bluetooth Calling YES Synchronized Number YES Music Control YES Find Phone YES Women's Health YES Stopwatch YES Countdown YES Remote Control Photography YES Weather YES Screen Brightness Adjustment YES Motion Track YES Mobile