E420 1.39 inch Color Screen Smart Watch,Silicone Watchband,Support Heart Rate Monitoring / Blood Pressure Monitoring

About Product 1. Battery capacity: 280mAh2. Bluetooth version :Bluetooth 5.13. Charging method:Magnetic suction charging line (protect)4. Waterproof rating: IP68 waterproof5. System: Android system 5.0 version or above,iOS system 9.0 version or above6. Resolution:360x3607. Audio chips:TYHX3220 （512HZ）8. CPU:low-power design GR55159. Watch Support languages:Simplified Chinese, Polish, Korean, Japanese, English, German, French, Italian, Spanish, Portuguese, Russian, Turkish, Croatian, Dutch10. APP Support languages: Russian, Hungarian, Turkish, German, Italian, Czech, Slovak, Japanese, French, Polish, Persian, Simplified Chinese, Traditional Chinese, English, Portuguese, Spanish, Vietnamese, Arabic, KoreanFunction1. Heart rate monitoring,blood pressure monitoring,blood oxygen monitoring2. Step,distance,calorie3. Sleep monitoring (sleep duration, sleep quality)4. Non-invasive blood glucose,ECG monitoring,chest patch real-time ECG analysis,ECG(High frequency 512HZ)5. Sedentary reminder,dri