1.57-inch retina HD full touch screen: With HD large screen. restore nature's pure color. clear and vivid. See more sports information, and call alerts, just raise your hand Bluetooth-compatible call, answer on your wrist: Busy with study work or sports fitness, the watch is your intimate assistant. Support Bluetooth-compatible calls, can answer, can hang up, but also through the watch's call record one key back, communication more time and effort saving Social messaging, instant alerts: Lift your wrist and look. not to miss important information when driving. Walking, running, cycling, or hiking, you can view all kinds of APP alerts through the watch ECG monitoring: Wear the watch electrocardiogram test function, intelligent portable test at any time, the use of ECG sensor chip, the collection of heart electrocardiogram waveform (ECG) to help users find abnormalities in time to assess the sudden risk Multimotion pattern: Support a variety of exercise modes, record your duration, heart rate, calories, and other data during exercise, and scientifically adjust the exercise state Specifications: Product Model ET620 Function points ECG electrocardiogram function, Bluetooth-compatible communication, non-invasive blood glucose measurement, HRV function, AI medical diagnosis, Mett function, body temperature monitoring, blood oxygen monitoring, respiratory training, pressure monitoring, female health (menstrual tracking), Health functions such as heart rate monitoring, blood pressure monitoring, sleep monitoring, and sedentary reminders.Step count/calorie count/distance, multiple sports modes, music control, 1.57-inch high-resolution 200 * 320 full touch screen, APP: Hband Master Chip 7013A Temperature sensor Contact temperature sensor Blood oxygen Infrared light+red light true blood oxygen Gravity sensor KXTJ3-1057 ECG chip VP555ER PPG chip Dual PD-VP555ER Vibration Mute/vibrate Waterproof Level IP67 Compatible System Android 4.4 and above, iOS 8.2 and above Special Features ECG electrocardiogram function, Bluetooth-compatible communication, non-invasive blood glucose measurement, HRV function, AI medical diagnosis, Mett function, temperature monitoring, blood oxygen monitoring, respiratory training, pressure monitoring, NFC function, female health (menstrual tracking), heart rate monitoring, blood pressure monitoring, sleep monitoring, sedentary reminder, and other health functions Care Functions Home sharing real-time data Function Description ECG electrocardiogram function, Bluetooth-compatible communication, non-invasive blood glucose measurement, HRV function, AI medical diagnosis, Mett function, temperature monitoring, blood oxygen monitoring, respiratory training, pressure monitoring, female health (menstrual tracking), heart rate monitoring, blood pressure monitoring, sleep monitoring, long sitting reminder and other health functions.Exercise function: step count/calorie/distance, multiple exercise modes.Long endurance standby. Multiple dial switching, call reminder, silent alarm clock, 1.57-inch high-resolution 200 * 320 full touch screen, music control, calculator, gaming. Other Functions Stopwatch, flashlight, countdown, step count, calories, distance, sleep monitoring, exercise mode, call reminder, alarm clock reminder, raise a hand to light screen, social sharing (WeChat, QQ, Facebook, Twitter), etcShake to take pictures Screen Size 1.57-inch high-resolution 200 * 320 full touch screen Screen Type IPS HD TFT Bluetooth 5.0BLE (low power consumption) Battery Type High-density li-polymer Battery Capacity 230mAh Charging Type Magnetic suction charging Charging Time About 3-4H Endurance Time 3-7 days of use and 30+days of standby Manipulation Mode Full-screen touch control, mobile APP control Language Watch language: Chinese, Russian, English, Japanese, German, French, Italian, Spanish, PortugueseAPP language: (Android: H Band, Apple: H Band Lite)Russian, Hungarian, Türkiye, German, Italian, Czech, Slovak, Japanese, French, Polish, Persian, Simplified Chinese, Traditional Chinese, English, Portuguese, Spanish, Vietnamese, Arabic, Korean Package included 1 x Smart Watch 1 x Charging Cable 1 x English and Chinese Manual Other items not included Specifications Brand N/A Color Black Packaging Type Colored Box Plug Type (For Supply) N/A User Manual (Language) English and Chinese Gross Weight 0.197kg Volume Weight 0.133kg Package Length 17.300cm Package Width 9.800cm Package Height 3.500cm