CT7 1.7 inch Color Screen Smart Watch,Support Heart Rate MonitoringBlood Pressure Monitoring 1. Battery capacity: 230mAh 2. Waterproof level: IP67 waterproof 3. Bluetooth version : Bluetooth 5.0 4. Resolution:320*385 5. Charging method:Wireless charging 6. System: Android system 5.1 version or above,iOS system 8.0 version or above 7. Standby time:30 days 8. APP:SuperBand 9. APP languages: Arabic, Bulgarian, Czech, Danish, German, Spanish, Finnish, French, Indian, Croatian, Indonesian, Italian, Japanese, Korean, Norwegian, Dutch, Polish, Pashtun, Portuguese, Russian, Swedish, Thai, Ukraine, Vietnam, Simplified Chinese, English, Traditional Chinese 10. Watch UI language: Chinese, Traditional Chinese, English, German, Korean, Spanish, Japanese, French, Russian, Arabic, Ukrainian, Italian, Portuguese Function: 1. Bluetooth call,heart rate monitoring,blood pressure monitoring,blood oxygen monitoring 2. Step,distance,calorie 3. Sleep monitoring (sleep duration, sleep quality) 4. Multi-sport modes:cycling, swimming, running, climbing, walking 5. Social APP message reminder:SMS,QQ,Wechat,Skype,Facebook,Twitter,Line,Whatsapp 6. Sedentary reminder,music control,remote photo,find watch,drink water reminder,turn wrist to brighten the screen 7. NFC access control,ECG monitor,stopwatch,calculator,alarm clock,calendar,timer,weather forecast,multi-language