N22 1.96 inch Color Screen smartwatch Black About Product 1. Battery capacity: 300mAh 2. Bluetooth version :BLE 5. 03. Charging method:Micro USB Turn Magnetic suction charge 4. Waterproof rating: IP67 waterproof 5. Resolution:320x 3866. System: Android system 5.0 version or above,iOS system 10.0 version or above 7. APP:DAFIT 8. APP support languages: Chinese, Chinese Traditional, English, German, French, Italian, Spanish, Japanese, Polish, Russian, Portuguese, Korean, Vietnamese, Arabic, Hebrew, Thai, Croatian, Turkish, Czech, Dutch, Indonesian, Malaysian, Finnish, Greek, Romanian, Persian 9. Message push languages:Chinese, Chinese Traditional, English, German, French, Italian, Spanish, Japanese, Polish, Russian, Portuguese, Korean, Vietnamese, Arabic, Hebrew, Thai, Croatian, Turkish, Czech, Dutch, Indonesian, Malaysian, Finnish, Greek, Romanian, PersianFunction 1. Heart rate monitoring,blood pressure monitoring,blood oxygen monitoring 2. Step,distance,calorie 3. Sleep monitoring (sleep duration, sleep ) 4. Wiress bluetooth headset,multi-sport modes,multifunctional NFC,voice istant 5. Call reminder,alarm clock reminder,drink water reminder,remote camera,Alipay pocket money 6. Information reminder:, ,LINkedln,Snapchat,Line,Kakao Talk,Viber,Skype,Tegram,QQ,Message,Wechat,Mai