MT500 1.97 inch IP67 Waterproof Smart Watch, Support Electrocardiogram Temperature Measurement Features: 1. AMOLED screen 1.97 inches 390x450 HD full touch screen 2. Electrocardiogram, ECG+PPG (electrode+photoelectric) test heart rateECGblood pressure. (Generate ECG report HRV report, ECG playback) 3. Dual-mode Bluetooth call, intelligent voice assistant 4. Health monitoring such as body temperature, non-invasive blood sugar, sleep, blood pressure, heart rate, stress, WeChat sports, etc. Hardware information 1. Size: 45.8x39x11.5MM 2. Main control chip: Jie Li 7013A 3. Blood oxygen chip: VP556ER blood oxygen heart rate + analog front end 4. ECG chip: VP556ER 5. Photoelectric chip: VP556ER heart rate (dynamic accurate dual PD heart rate acquisition) 6. Memory: 128Mb 7. Bluetooth: Bluetooth LE 5.3 8. LCD: AMOLED1.97 inches resolution 390*450 9. Touch control: capacitive multi-point full touch 10. Charging method: 2PIN magnetic charging 11. Side button: support 2 + rotation button 12. Waterproof: IP67 13. Battery capacity: 3.8V 325mAh polymer battery Software functions: 1. APP name: H Band 2. Functions: Bluetooth call, OTA upgrade, electrocardiogram: ECG+PPG, call rejection, body temperature monitoring, blood sugar monitoring, sleep monitoring, heart rate, blood pressure, blood sugar, blood oxygen, real-time pressure monitoring, stopwatch, flashlight, countdown, step counting, calories, distance, sleep monitoring, exercise mode, call reminder, alarm reminder, sedentary reminder, raise your hand to light up the screen, social sharing, WeChat Sports (WeChat, QQ, Facebook, Twitter), etc., shake to take pictures, Meizi, menstrual tracking, blood sugar 3. Multi-sports mode: The watch supports 50 types: walking, running, mountaineering, cycling, skipping, basketball, football, etc. 4. Message reminder: incoming call, SMS, email, WeChat, QQ, Facebook, Twitter, WhatsApp, LinkedIn, Instagram, Messenger, Snapchat, Line, Kakao Talk, Viber, Skype, telegram 5. Remote control music: control the