... Android 4.1 Jelly Bean OS Star N9589 MTK6589 android phone quad core 1.quad band dual sim 3g2.RAM 1GB/ ROM 8GB3.Android 4.1 ... 1900MHzSim CardDual SIM Card Dual StandbyShell MaterialPlasticOSAndroid 4.1 Jelly BeanCPUMTK6589, Cortex A7 quad core, 1.2GHz; GPU: PowerVR SGX 544RAM ... nBluetoothBluetooth 2.0Gravity SensorYesStandby TimeAbout 2~3 daysOther Feature3G, WIFI, Play Store, GPS, FM, Bluetooth, Ebook, ...