Functions Health: 24/7 Heart Rate monitor, Blood Pressure, Blood Oxygen, Sleep tracker, Breathe, Drink water reminder, Reminder to move, Adults Adultstrual period reminder, Support health APP. Life: Bluetooth Answer Call, Bluetooth Dial Call, Messages Reminder, Alarm clock, Weather, Music remote, Camera remote, Flashlight, Find phone, Dynamic watch face, watch face market (100+ watch faces), custom watch faces(you can set the picture you like as the watch face), Set the screen off time, Do not disturb mode. Sports: All-Day Activity Tracking( Steps, calories, distance ), IP67 waterproof, 7 Exercise Modes, Stopwatch, Sports Data Report. With a battery life up to 3~7 days, keep the inspiration coming day and night. Language App language support: English, Arabic, Danish, GerAdult, Spanish, Finnish, French, Italian, Japanese, Korean, Dutch, Norwegian, polish, Portuguese, Russian, Swedish, Thai, Ukrainian, Chinese and traditional Chinese Watch language support: English, French, Spanish, GerAdult, Chinese, traditional Chinese, Russian, Italian, Korean, Japanese, Arabic, Ukrainian, Portuguese Parameter Screen: 1.69 inch Screen resolution: 240*280 resolution. Battery Capatcity: 200mAh Battery life: 3~7days Waterproof level: IP67 Waterproof APP: Da Fit Suitable for mobile phones with Android 4.4 or higher, or iOS 9.0 or higher.