he main function:Pedometer, multi-sport mode, heart rate, blood pressure, blood oxygen, sleep monitoring, sedentary reminder, call reminder, information reminder, stopwatch, music control, camera control, anti-lost, alarm clock, weather, APP dial push, support OTA upgrade1.3 inch full fit HD 240*240 full round screen, full touch screenIP68 waterproofAlloy CNC process case, electroplated anti-fingerprint reinforced mineral glass mirrorBluetooth version: Support IOS 8.0 and above and Android 4.2 and aboveMulti-dial switchMulti-sport mode: walking, running, cycling, climbing, etc.Watches support languages: English (default), Arabic, Thai, Portuguese, Spanish, French, Persian, Vietnamese