dual sim card dual standby smart phone,MTK6577 high-spped chip,1GHz,Android 4.0 OS,9.9mm light ... 850/900/1800/1900MHz3G: WCDMA 850/2100MHzSim CardDual Sim Card Dual StandbyService ProvideUnlockedStyleBarColorWhiteShell MaterialPlasticSystemOSAndroid 4.0.4CPUMTK6577, 1.0 ... )152gStandby TimeAbout 2~3 DaysOther FeatureGPS, WIFI, FM-radio, Bluetooth, Ebook, Documents to Go, Flash Player, Gmail, Messaging ...