Fangrui Product Details 1. V16 1.46 Inch Color Screen Smart Watch, Support Bluetooth Call Heart Rate Monitoring 2. About Product 3. Cpu:bt8959 4. Bluetooth Version:ble 5.2 5. Battery Capacity:210mah 6. Stanby Time:about 30 Days 7. Working Time:about 7 Days 8. Waterproof Level:ip67 9. Charging Port:wireless Charger 10. App:wearfit Pro 11. App Supports Languages:simplified Chinese, Traditional Chinese, English, French, German, Japanese, Spanish, Italian, Korean, Russian, Thai, Czech,portuguese, Indonesian, Arabic, Turkish, Greek, Estonian, Bulgarian, Latvian,lithuanian, Romanian, Serbian, Slovak (24 Courses) 12. Watch Supports Languages:chinese, English, Arabic, French, German, Spanish, Portuguese, Russian, Thai, Polish, Italian, Japanese, Traditional, Czech, Turkish, Greek, Latin, Romanian, Vietnamese, Danish 13. System Requirements:android6.0+ Ios10.0+ 14. Main Function 15. Heart Rate Monitoring,blood Pressure Monitoring,blood Oxygen Monitoring 16. Step,distance,calorie 17. Sleep Monitoring (sleep Duration, Sleep Quality) 18. Nfc,automaticmanual Time Adjustment,voice Assistant,location Sharing,offline Alipay 19. Smart Split Screen Display,password Lock Screen,weather,mett,play Music 20. Breath Training,multiple Exercise Modes,raise Your Hand To Brighten The Screen,fatigue Analysis 21. Message Notification,calculator,sedentary Reminder,wechat Campaign,alarm Reminder,stopwatch,find A Bracelet