... 3 Operating systemFile FormatVideoMPEG1/2/4- up to 1,920 x 1,080 pixels H.264- up to 1,920 ... x 1,080 pixels VC1/WMV- up to 1,920 x 1,080 pixels RealVideo 8/9 ... /10- up to 1,280 x 720 pixels AudioMP3,WMA,WAV,OGG,AAC,Dolby digital,DTS ... other applicationsHDD SupportUSBSupport external USB HDD;Support FAT16/FAT32/NTFS ANDROID 2.3(4.0) OS HDMI OR TV-OUT ANDROID TV BOX