... (optional )4*USB HOSTHost usb port1*SD card readerSD card interface . Support 1GB/2GB/4GB/8GB/16GB1 ... *RJ4510/100 BaseTPower 100~220V AC Input , 5V DC Output 2ARemote17 key notes , touch ... /HE-AAC v2,AC3,AMR-NB,DTS,MP3,OGG,RA_COOK,WMA,WMA,LPCM/PCM/ADPCM, ... .Local Media playback,support HDD, U disck ,SD card .Support SKYPE video call ,MSN , facebook ,twitter ...