S8 Ultra 1.81 inch Color ScreenAbout Product 1. Battery capacity: 160mAh 2. Bluetooth version :BLE4.0/5. 03. Charging method:Wiress charging 4. Waterproof rating: Living waterproof 5. System: Android system 5.0 version or above,iOS system 10.0 version or above 6. Resolution : 240x 2867. Memory:8M+32M 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, HungarianFunction 1. Heart rate monitoring,blood pressure monitoring,blood oxygen monitoring 2. Step,distance,calorie 3. Sleep monitoring (sleep duration, sleep ) 4. Intligent split screen display,scan code connection,custom dial,voice call,pword lock screen 5. Leisure games,sport mode,water clock,respiratory training,find the bracet,raise the wrist to light the screen 6. Call reminder,message reminder,sedentary reminder,calculator,alarm clock reminder,stopwatch