... ratio: 4:3 10)Signal input :Built-in multimedia processor interface + AV IN 11)Operation :Body + button infrared remote control 12 ... :MPEG4 AVI, RM, RMVB, FLV, WMV, 3GP, MP4, etc. 15)Audio format :APE, FLAC, MP3, WMA, AAC, AC3, WAV, OGG, etc ... , GIF 17)Multimedia processing :Rockchips RK2706 18)Audio Interface :3.5mm audio output interface 19)Composite interface :3.5mm composite 3-in-1 AV signal ...