Main control chip: Realtek 8762D+AC6963A Waterproof grade: IP68 Display: 2.04-inch AMOLED high-definition screen Watch strap material: metal strap, belt, silicone tape Battery capacity: 650mAh Shell material: alloy+ECG glass+stainless steel Operating temperature: -5 -45 ECG sensor: GH3228T Gravity sensor: ST8321 Product weight: 178g Operation mode: full touch+encoder Wrist circumference: 120-200mm Charging method: magnetic suction charging Middle frame color: black gun color, silver steel color Manual testing: one micro examination, five organ detection, body fat composition analysis, electrocardiogram test, pressure Automatic monitoring: Uric acid, blood lipids, blood sugar, heart rate, blood oxygen, blood pressure, body temperature, sleep monitoring Other features: Bluetooth calling, SOS, intelligent AI voice assistant, multi sport mode, women's health Breathing training, sedentary reminder, weather, message reminder, music control, timer, stopwatch Alarm clock, flashlight, search for phone