Hardware parameterBluetooth version:BLE 5.0System version:Android above 4.4 or IOS above 9.0Software functionPedometer,sport time,Sport mode,Sports mileage,Calories burned,Real-time heart rate measurement,Blood oxygen measurement,Sleep mode,Drink water reminder,Sedentary reminder,incoming call,News push,dial,call records,Raise your wrist to brighten the screen,Find a bracelet,Remote camera,Bluetooth call,Bluetooth music,Stopwatch,Alarm clock,Device reset,Unbind device,Bluetooth bracelet,Set up,Vibration settingsn,brightness,Multi-dial switching,volume,the weather,Watch face push.LanguageBracelet supports languages:Chinese, Traditional Chinese, English, German, Korean, Spanish, Japanese, French, Russian, Arabic, Ukrainian, Italian, PortugueseAPP(Da Fit) supports languages:English, Arabic, Danish, German, Spanish, Finnish, French, Italian, Japanese, Korean, Dutch, Norwegian, Polish, Portuguese, Russian, Swedish, Thai, Ukrainian, Chinese, Chinese Traditional ChinesePackage IncludedHost, charger, wrist strap, manual, boxafter receive the watch ,please charging first.Because after a long period of logistics, the watch has a low battery.Before using, scan the QR code on the manual to download the app and connect it to the watch with APP.