1. 7'' Resistance touch screen. 2. USB2.0 host 3. Support 3G dongle, u-disk, mouse.keyboard,HUB, GPS. 4.Android 2.1 operating Systerm NAND FLASH4GBDisplay Size 7 inch WVGA LED, 16:9Resolution800 x 480TOUCH PANELResistance touch screenGraphic System3D Graphic Accelerator OPNE GLI/O Port1* USB 2.0 Host, support 3G,U-disk,Mouse,Keyboard,USB HUB,GPS1*USB Device TF card slot 1*3.5mm stereo earphone 1* ...