S8 Ultra 1.81 inch Color Screen Smart Watch,Support Heart Rate MonitoringBlood Pressure Monitoring About Product 1. Battery capacity: 160mAh 2. Bluetooth version :BLE4.05.0 3. Charging method:Wireless charging 4. Waterproof rating: Living waterproof 5. System: Android system 5.0 version or above,iOS system 10.0 version or above 6. Resolution : 240x286 7. Memory:8Mbit+32Mbit 8. Standby time:7-15 Days 9. Usage time:3-5 Days 10. UI languages :English (default), French, Arabic, German, Indonesian, Italian, Malaysian, Persian, Spanish, Russian, Vietnamese, Czech, Turkish, Polish, Portuguese, Greek, Filipino, Thai, Chinese, Netherlands, Finland, Ukraine, Sweden, Hungarian 11. APP Support languages:English (default), French, Arabic, German, Indonesian, Italian, Malaysian, Persian, Spanish, Russian, Vietnamese, Czech, Turkish, Polish, Portuguese, Greek, Filipino, Thai, Chinese, Netherlands, Finland, Ukraine, Sweden, Hungarian Function 1. Heart rate monitoring,blood pressure monitoring,blood oxygen monitoring 2. Step,distance,calorie 3. Sleep monitoring (sleep duration, sleep quality) 4. Intelligent split screen display,scan code connection,custom dial,voice call,password lock screen 5. Leisure games,sport mode,water clock,respiratory training,find the bracelet,raise the wrist to light the screen 6. Call reminder,message reminder,sedentary reminder,calculator,alarm clock reminder,stopwatch