Product parameters Screen:1.83-inch TFT 240*280 Touch Panel:Full touch screen Battery:180Mah App:FitPro Charging method:Magnetic charging Waterproof:IP67 Hardware parameter Bluetooth-compatible: BLE more→5.0 Software function Step counting, distance, calories, sleep monitoring, heart rate monitoring, blood pressure, blood oxygen, device search, language switching, raising your hand to brighten the screen. Language Bracelet supports languages : Simplified Chinese, English, French, Spanish, Portuguese, Russian, German, Netherlands, Turkey, Malaysia, Poland, Czech, Slovakia APP(FitPro) supports languages: English, Simplified Chinese, Traditional Chinese, Dutch, Russian, French,