NX7 Pro 1.19 inch Color Screen Smart Watch, Support Heart Rate Blood Pressure Blood Oxygen Monitoring About Product 1. Battery capacity: 170mAh 2. Bluetooth version :BT5.2 3. Charging method:Magnetic charging 4. Resolution: 390 x 390 5. System: Android system 5.0 version or above,iOS system 10.0 version or above 6. Endurance Time:Use for 5 days and stand by for 30 days 7. Charging Time:About 2H 8. Watch languages: Chinese, English, German, French, Italian, Spanish, Japanese, Polish, Russian, Portuguese, Vietnamese, Arabic, Hebrew, Thai, Croatian, Turkish, Czech, Dutch, Indonesian, Malaysian, Finnish language, Greek, Romanian), the factory default is English 9. APP languages:Chinese, English, German, French, Italian, Spanish, Japanese, Polish, Russian, Portuguese, Vietnamese, Arabic, Hebrew, Thai, Croatian, Turkish, Czech, Dutch, Indonesian, Malaysian, Finnish language, Greek, Romanian), the factory default is English 10. APP:Fitcloudpro Function 1. Heart rate monitoring,blood pressure monitoring,blood oxygen monitoring 2. Step,distance,calorie 3. Sleep monitoring (sleep duration, sleep quality) 4. Bluetooth calling,multiple sport modes,calls to remind,SMS reminder,Third-party messaging reminder,multilingual push 5. Sedentary reminder,music control,women's health record,weather,stopwatch,alarm clock 6. Shake to take pictures,drink water reminder,find watch,voice assistant