EP03 1.83 inch Color Screen Smart Watch,Support Heart Rate Monitoring Blood Pressure Monitoring About Product 1. Battery capacity: 240mAh 2. Bluetooth version :BLE5.1 3. Charging method:Magnetic charging 4. Waterproof rating: IP67 waterproof 5. System: Android system 4.4 version or above,iOS system 8.0 version or above 6. Resolution :240x280 7. Standby time:15 Days 8. Charging time:2 Hours 9. ECG Analog Front End (ECG AFE):Goodix GH3220 10. Watch support languages:Chinese, English, Japanese, French, German, Italian, Spanish, Russian, Portuguese 11. APP Support languages: Chinese, Traditional, English, Japanese, German, Russian, Italian, French, Spanish, Portuguese, Vietnamese, Korean, Persian (Arabic) Function 1. ECG electrocardiogram,heart rate monitoring,blood pressure monitoring,blood oxygen monitoring 2. Step,distance,calorie 3. Sleep monitoring (sleep duration, sleep quality) 4. Independent and accurate blood oxygen measurement,precise body temperature measurement,photoelectric automatic blood pressure measurement 5. TTP 24-hour ECG monitoring,respiratory rate measurement,non-invasive blood sugar,multi-sport mode 6. Sedentary reminder,raise wrist to brighten the screen,anti-lost reminder,message push,Call reminderreject 7. OTA upgrade,music control,7-day rolling storage of historical data,remote control camera,weChat Motion Sync,multiple dials,alarm clock