1. Support mobile phone system: IOS 8.0 or above / Android 4.4 or above 2. Main control: Nordic n52832+Silicon lab 1182 3. Waterproof grade: IP67 4. Display: 1.3 TFT full circle full touch color screen, 240*240dbi 5. Bluetooth version: 4.0 6. Material: zinc alloy+PC+silicone/leather (optional) 7. Battery: polymer battery 8. Battery capacity: 160 mAh 9. Standby time: 15 days, about 6 days in normal use 10. Charging method: magnetic charging 11. Charging time: 2 hours 12. APP supports languages: Chinese, Traditional Chinese, English, Japanese, Korean, German, Russian, Spanish, Italian, French, Vietnamese, Portuguese, Persian (Arabic) 13 languages 13. The watch supports languages: Chinese, English 14. Function: 32 kinds of ECG disease screening, 24-hour dynamic monitoring of ECG, exercise step counting, exercise calorie, exercise goal setting, real-time detection of heart rate, real-time detection of blood pressure, sleep reminder, sedentary reminder, alarm clock reminder, blood oxygen monitoring , ECG monitoring, Lorentz diagram analysis, HRV data analysis, WeChat sports, shake to take pictures, message notification, etc. 15. Product size: 280x18x11mm 16. Product weight: 45g