Features & details Economy Purchase : High quality display, quick touch and perfect sound quality bring you comfortable user experience.Sleep Monitoring,Pedometer,Sedentary Reminder,allows you to understand your quality of sleep,the movement distance,time anytime and anywhere Smart Notifications : connect your smartphone via Bluetooth, Smart Watch supports push notifications from your Mobile Device , Other Features Include Anti-lost, Calls, Message, E-mail, Whatsapp, Facebook & Twitter etc, you can check at all times, any message will not be missed more Compatibilty : All Android and iOS Mobile Phone, Windows phone & Android Tablet PC. Android 5.1 operating system. CPU 1.3G quad-core. App support GPS navigation Calendar,clock,tape recorder,calculator,settings, file manager, pedometer,sleep monitoring,