... network card,VGA port,6×USB portSOUND SYSTIEMstereo speakers,audio input and output MATERIALMagnesium aluminum alloyWEIGHT5KGMEASUREMENT54×20×45cmOPTIONAL SPATEPARTS3G,CMMB Bluetooth module, CMMBCOLORSilver ... network card,VGA port,6×USB portSOUND SYSTIEMstereo speakers,audio input and output MATERIALMagnesium aluminum alloyWEIGHT5KGMEASUREMENT54×20×45cmOPTIONAL SPATEPARTS3G,CMMB Bluetooth module, ...