... signal1*USBOTG host port 2*USB HOSTHost usb port 1*SD card readerSD card interface . Support 1GB/2GB/4GB/8GB/16GB1*RJ4510/100 ... ,amazon appstore etc. Local Media playback,support HDD, U disck ,SD card . Support SKYPE video call ,MSN , facebook ,twitter ,QQ etcSupport wifi ...