... 4.0/4.118.Memory/Storage19.512M/1GB DDR-3 memory 4/8/16 GB storage built-in, Extendable ... card or20.external harddisk21.Input/output port:HDMI 1.3,Wi-Fi built-in 802.11 b/g/n ... Vorbis,PCM / ADPCM,AMR,Real Audio,Dolby Digital (AC-3),DTS 5.1,WMA,WMA Pro,Dolby Digital Plus, Dolby TrueHD, DTS-HD, DTS-HD ... countries.2.We guarantee each product will be checked.3.If there are bad products, we will promptly pay ...