MK66 1.85 inch Color Screen Smart Watch,Support Heart Rate Monitoring Blood Pressure Monitoring About Product 1. Battery capacity: 400mAh 2. Bluetooth version :Bluetooth 5.0 3. Charging method:Magnetic charging 4. Waterproof rating: IP68 waterproof 5. Resolution:240x280 6. RAM:160KB 7. FLASH:256KB +External 128MB 8. System: Android system 4.0 version or above,iOS system 8.0 version or above 9. APP:Gloryfit 10. Watch Support languages:Chinese, English, Korean, Japanese, German, Spanish, French, Italian, Portuguese, Arabic, Russian, Dutch, Hindi, Czech, Polish, Turkish, Indonesian 11. APP Support languages:Chinese, English, Korean, Japanese, German, Spanish, French, Italian, Portuguese, Arabic, Russian, Dutch, Hindi, Czech, Polish, Turkish, Indonesian Function 1. Bluetooth call,heart rate monitoring,blood pressure monitoring,blood oxygen monitoring 2. Step,distance,calorie 3. Sleep monitoring (sleep duration, sleep quality) 4. Multi-sport modes:running, walking, football, badminton, tennis, basketball, table tennis, cycling, yoga, Jump rope, climb mountain etc 5. Message push and call reminder:incoming calls,SMS,Wechat,QQ,Facebook 6. Weather forecast, speechaides,bluetooth music,stopwatch, timer, alarm clock 7. Breathing training, find mobile phone, sedentary reminder, female physiological reminder