... -M3, Cortex-A9, 1GHz; GPU: Mali-400 * Operation System : Android 4.0.3 * RAM : 512MB * Nand Flash : 4GB * Shell Material : Plastic * Screen Size ... b/g/n * 3G : Not built in, support external 3G dongle: HUAWEI1750, E220, E161, E261; ZTE MF80, MF637U * Earphone Interface ... * Product Weight : 244g * Extend Port : 1 x MINI HDMI port; 2 x MINI USB port; 1 x 3.5mm earphone port; 1 x TF card ...