1. Functions: Support ECG (high frequency 512HZ) monitoring, HRV and heart health index analysis, ECG belt monitoring, real-time ECG analysis of chest stickers, non-invasive blood sugar, body temperature monitoring, blood oxygen monitoring, Lorenz scatter diagram, heart rate Monitoring, blood pressure monitoring, multi-sport mode, custom dial, online multi-dial, exercise record. Sleep monitoring, incoming call and message reminder, ultra-low power consumption and long battery life. Metal alloy casing, silent alarm clock, remote camera, music control, sedentary reminder, drink water reminder, weather display, countdown, shake to take pictures, mobile phone search.2. CPU chip: low power consumption GR5515, PPG sensor chip: OSRAM SFH22013. ECG chip: TYHX3220 (high frequency 512HZ)4. Blood oxygen chip: GH3220 analog front end + OSRAM SFH22015. Gravity acceleration sensor: Rohm KXTJ3-10576. Battery: 280mAH7. Display: 1.91 inches 240x 284 high-definition touch screen 8. Heart rate: green light PPG9. Waterproof: IP68 rating 10. Bluetooth version: Bluetooth 5.1 (Android 5.0 and above, IOS9.0 and above)11. Shell material: alloy metal + plastic 12. Charging method: USB magnetic suction 2pin charging cable (with protection)14. Standby time: 30 days of standby, 4-7 days of daily battery life (the above data are from the factory laboratory, and may vary due to personal use environments and processes)15. Language- APP: Russian, Hungarian, Turkish, German, Italian, Czech, Slovak, Japanese, French, Polish, Persian, Simplified Chinese, Traditional Chinese, English, Portuguese, Spanish, Vietnamese Chinese, Arabic, Korean- Watch side: Chinese (simplified), Korean, Japanese, German, French, Italian, Spanish, Portuguese, Russian, English