... MP3, WAV, OGG,WMA etc. HDD Type:2.5" IDE/SATA HDD,FAT32/NTFS, capability: 20G-500G?Picture ... play RM/RMVB without format conversion- Support both 2.5'' IDE and SATA hard disk( 20GB----500GB) ... to read USB devices like external USB HDD, ODD, Flash Drive, Card Reader.- Three ... OTG function,copying files directly between card-card, card-hd, hd-hd. RM/RMVB/MP4 1080i SATA/IDE 2.5"HDD Multimedia Player ...