ET470 1.39 inch Color Screen Smart Watch Leather Strap, Support Bluetooth Call / ECG(Black)

About Product 1. Battery capacity: 280 mAh2. Bluetooth version: BT5.03. Charging method: magnetic charging4. Resolution:360*3605. System: Android system version 4.4 and above, iOS system version 8.2 and above6. Battery life: 3-5 days of use, 20+ days of standby7. Charging time: about 3-4 hours8. Watch supports languages: Chinese, English, Japanese, Russian, German, Spanish, Italian, French, Portuguese, Korean, Polish, Czech, Traditional Chinese9. APP supports languages: Russian, Hungarian, Turkish, German, Italian, Czech, Slovak, Japanese, French, Polish, Persian, Simplified Chinese, Traditional Chinese, English, Portuguese, Spanish, Vietnamese English, Arabic, Korean10. APP: HbandFunction1. Heart rate monitoring, blood pressure monitoring, blood oxygen monitoring2. Steps, distance, calories3. Sleep monitoring (sleep duration, sleep quality)4. ECG function, Bluetooth call, non-invasive blood glucose measurement, blood component (uric acid and blood lipid) monitoring5. Body composition (BMI body fat function) detection, HRV function, AI medical diagnosis, MET function, body temperature monitoring6. Breathing training,