Dear friend, thank you very much for your support, this is a multifunctional GPS sports smart watch! The product has many very useful functions! For example, the NFC function, you can open the door through the watch! Bluetooth calling function, after connecting the Bluetooth of the mobile phone, you can make calls directly! AI voice assistant function, open the function of the watch through voice! There are also some medical functions to monitor heart rate, blood pressure, and keep an eye on your health! All are very useful functions!Product parameters:screen size:1.53 inchesWaterproof Level:IP68Life time:About 5-7 days of use and 30 days of standbyResolution:360*360Battery capacity:300mAhAPP:RDFitCharging Method:Wireless chargingCompatible System:Android 4.4 or above, IOS 9.0 or aboveFeatures:High-definition Bluetooth Call, GPS,compass, off-screen pointer, cover hand off screen, custom picture, APP background download picture, QR code (download and connection two-in-one), find mobile phone, calendar, motion track, restart, message push, remote Camera, Alipay, sleep monitoring, altitude, body temperature monitoring, weather, blood pressure, voice assistant, my QR code, button definition settings, blood oxygen, breathing, dial, pedometer, timer, menu style, factory reset, Settings (Smart Island, Drainage, Power Saving Mode, Screen Off Time, Raising Wrist to Brighten Screen, NFC, Brightness, Button Definition, Vibration Intensity, Do Not Disturb Mode, Password Settings, Language, Time and Date Settings, Connecting to APP, Factory Reset, Restart , Power Off, About), Phone (Contacts, Call History, Dialpad, Call Settings, Emergency Call), Calculator, Heart Rate, Language Selection, About Watch Information, Alarm Clock, Sports Mode, Bluetooth Music, Bluetooth Calls, Stopwatch, Off Screen time, vibration intensity, time and date setting, password lock.Drop-down menu: Bluetooth switch, do not disturb mode, brightness adjustment, one-key lock screen, weather, shutdown, payment code, Douyin, Alipay, always-on setting, NFC, settings, alarm clock, vibration switch, menu style, factory reset.Swipe up menu: message push.Swipe right: split screen (weather, sleep, heart rate, blood pressure, blood oxygen, music, common applications).Swipe left: Add applets (heart rate, blood pressure, sleep monitoring, blood oxygen, exhalation training, step counting, weather, music, body temperature monitoring).Watch supported languages: 1. Chinese, 2. English, 3. Russian, 4. Spanish, 5. German, 6. Italian, 7. French, 8. Portuguese, 9. Polish, 10. Dutch, 11. Greek, 12. Turkish, 13. Romanian, 14. Japanese, 15. Traditional Chinese, 16. Hebrew, 17. Czech, 18. Slovak, 19. Hungarian, 20. Arabic, 21 .Indonesian, 22. Korean, 23. Vietnamese, 24. Thai, 25. Persian, 26. Ukrainian, 27. Malay, 28. BurmesePackage:smart watch*1charging cable*1user manual*1original box*1after receive the watch ,please charging first.Because after a long period of logistics, the watch has a low battery.Before using, scan the QR code on the manual to download the app and connect it to the watch with APP.