WS68 ULTRA 1.85 inch Color Screen Smart Watch,Support Heart Rate Monitoring Blood Pressure Monitoring About Product 1. Battery capacity: 260mAh 2. Bluetooth version :Bluetooth 3.05.0 3. Charging method:Wireless charging 4. Waterproof rating: IP67 waterproof 5. System: Android system 5.0 version or above,iOS system 9.0 version or above 6. Resolution:240x285 7. Standby time:7-15 Days 8. Charging time:2-3 Hours 9. APP Name: Ferefit 10. Watch Support languages:English, Russian, Spanish, Italian, Portuguese, Dutch, Turkish, Vietnamese, Hebrew, Thai, Arabic, Malay, Burmese, Persian, German, French, Polish, Swedish, Hungarian, Greek, Indonesian, Wulanke, Romanian, Czech 11. APP Support languages: English, Russian, Spanish, Italian, Portuguese, Dutch, Turkish, Vietnamese, Hebrew, Thai, Arabic, Malay, Burmese, Persian, German, French, Polish, Swedish, Hungarian, Greek, Indonesian, Wulanke, Romanian, Czech Function 1. Heart rate monitoring,blood pressure monitoring,blood oxygen monitoring 2. Step,distance,calorie 3. Sleep monitoring (sleep duration, sleep quality) 4. Sound and vibration, do not disturb, bright screen setting, password lock,weather, body temperature, UI style 5. 52 exercise modes,calendar, calculator, APP download,bluetooth music,alarm clock 6. Sedentary reminder, stopwatch, camera, voice assistant, looking for mobile phone