Features: 1. Support ECG electrocardiogram function, Bluetooth call, non-invasive blood sugar measurement, HRV function, AI medical diagnosis, METO function, body temperature monitoring, blood oxygen monitoring, breathing training, stress monitoring, women's health (period tracking), heart rate monitoring, blood pressure monitoring , sleep monitoring, sedentary reminder and other health functions. Step/calorie/distance, multi-sport mode, music control, 3 physical buttons + full-screen touch. 2. Main control chip: ultra-low power consumption dual-mode 7013A 2. Body temperature sensor: contact body temperature sensor 3. Blood oxygen: infrared light + red light True blood oxygen, gravity sensor: Rohm KXTJ3-1057 4. ECG chip: VP555ER, photoelectric chip: dual PD-VP555ER 5. Screen size: 1.39 inches high resolution 360x360 screen 6. Screen type: IPS HD TFT 7. Connection parameters: Bluetooth, 5.0BLE 8. Battery capacity: 260mAh 9. Charging method: Magnetic charging 10. Charging time: about 3-4H 11. Battery life: 3-5 days in use, 20+ days in standby 12. Control mode: full-screen touch control, mobile APP control 13. Vibration: mute/vibrate 14. Waterproof level: IP67 15. Compatible system: Android 4.4 and above, iOS 8.2 and above 16. Language: - 13 languages on the watch side: Chinese, English, Japanese, Russian, German, Spanish, Italian, French, Portuguese, Korean, Polish, Czech, Traditional Chinese. - App language: Russian, Hungarian, Turkish, German, Italian, Czech, Slovak, Japanese, French, Polish, Persian, Simplified Chinese, Traditional Chinese, English, Portuguese, Spanish, Vietnamese, Arabic, Korean. " 17. Other functions: stopwatch, flashlight, countdown, step counting, calories, distance, sleep monitoring, exercise mode, incoming call reminder, alarm clock reminder, raising hand to brighten the screen, social sharing (WeChat, QQ, Facebook, Twitter), etc., shaking Photograph Package included 1 * Smart Watch 1 * Charging cable 1 * User Manual