Main ParameterChip : SYD8811,Display : 1.28" IPS Full Screen ;Resolution : 240*240;Battery Capacty : 230mAh polymer battery;Battery Life:(Normal use) 8-12 days,(Standby time)12-25 days.Information push : Phone call, Message,Twitter,Facebook,etc.Water,resistant : IP68 standard dust and water resistant.Compatible OS : Android & IOS,Compatability : Android 4.4 / ios 8.0 and above system;Connection method : Smartphone connected with App via Bluetooth 5.0. ;APP FlowFit.Sport Mode: Running, walking, climbing, cycling, basketball, football.Excellent Function:Pedometer, Sleep,Weather, Heart Rate, Blood Pressure,Call Reminder, Multiple Sports Mode, Stopwatch, Music Control, Sedentary Reminder, Water Reminder, Alarm.Clock, Information Push Supported languages.App languageEnglish, German, Russian, Spanish, Portuguese, French, Japanese, Italian, Polish, Vietnamese, Dutch, Czech, Danish, Hungarian, Swedish, Vietnamese, Snovak, etc. Watch language:Chinese, English, German, French, Italian, Spanish, Japanese, Russian, etc.