Y20 1.69 inch Color Screen Smart Watch IP67 Waterproof,Support Heart Rate MonitoringBlood Pressure MonitoringBlood Oxygen MonitoringSleep Monitoring About Product 1. Battery capacity: 190mAh 2. Waterproof rating: IP67 waterproof 3. Bluetooth version: BLE 5.1 4. Charging mode:Magnetically charged 5. System: Android system 4.4 version or above,iOS system 8.0 version or above 6. Resolution : 240*280 7. Smart watch support languages:English, Russian, Spanish, Portuguese, Japanese, Korean, German, French, Arabic, Ukrainian, Italian, Indonesian, Thai, Chinese, Traditional Chinese 8. APP support languages:Russian, Spanish, Portuguese, German, Italian, Czech, Japanese, French, Polish, Thai, Swedish, Ukrainian, Finnish, English, Dutch, Vietnamese, Arabic, Korean, Danish, Bulgarian, Bokmal, Norwegian, Hindi, Indonesian, Pashto, Simplified Chinese, Traditional Chinese Function 1.Heart rate monitoring,blood pressure monitoring,blood oxygen monitoring 2.Steps calculation, calories, distance 3.Sleep monitoring (sleep duration, sleep quality) 4.Multiple exercise modes (Walking, Running, Cycling, Skipping, badminton,Basket ball,football,swimming) 5.Incoming call,message notification(facebook,twitter,SMS,QQ,wechat and other messages) 6.Sedentary reminder,stopwatch,find a bracelet,calculator,alarm clock,drinking reminder,meeting Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.