1.43 inch Leather Strap Bluetooth Call Smart Watch Support ECG Non-invasive Blood Sugar Features: 1. 1.43-inch 466x466 high-resolution full touch screen 2. Electrocardiogram, ECG test heart rateblood pressure (generate ECG report, HRV report, ECG playback) 3. Dual-mode Bluetooth calls, intelligent voice assistant 4. Body temperature, non-invasive blood sugar, scientific sleep, blood pressure, heart rate, stress and other health monitoring 5. Body composition, heart health, blood composition analysis Function: 1. Bluetooth calling: making calls, answering calls, rejecting calls 2. ECG monitoring: supports manual monitoring, lead ECG, ECG signal analysis and suggestions Share EKG with family and friends 3. Heart rate monitoring: Supports real-time heart rate: Resting heart rate 30 to 240 bpm can be detected instantly, 24-hour continuous monitoring, heart rate value recorded every minute, range heart rate warning Exercise heart rate: 30 to 240 bpm Track heart rate during exercise, real-time heart rate data, calories and other exercise parameters within the range | Heart rate warning 4. Blood oxygen monitoring: supports 60S blood oxygen monitoring. Blood oxygen saturation is 70% to 100% of the measuring range. It can be detected instantly, continuously tracked at night, and wakes up from low oxygen. 5. Body surface temperature monitoring: supports real-time temperature monitoring, the actual temperature and measured temperature of the contact point of the body surface temperature 32~42 degrees Celsius 6. Pressure monitoring: real-time pressure tracking and monitoring 7. Exercise tracking: automatic step counting + 20 exercise modes | tracking of exercise heart rate, calories, mileage, pace and other parameters 8. Sleep apnea monitoring: automatic monitoring at night [00:00~~07:00] turns on nighttime blood oxygen tracking, records blood oxygen and the number of apneas 9. Respiratory rate monitoring: 6-150min nighttime continuous respiratory rate tracking analysis 10. HRV: Lorentz scatter analysi