... 1900MHz3G: WCDMA 850/2100MHzSim CardDual SIM Card Dual StandbyService ProvideUnlockedStyleBarColorWhite,BlackShell MaterialPlastic SystemOSAndroid 4.1.1 ... Jelly BeanCPUMTK6577, Cortex A9 dual core; 1.0GHzROM4GBRAM512MB ScreenDisplay Size5.0 InchTypeTFT, ... WIFI, Bluetooth, Ebook, Email,Messaging, VPN Services, Documents to go, wallpapers, calendar,calculator, clock, tethering & portable hotspot, ...