... 7"-52" AV in/out LCD Advertising player Poly Technology is a professional manufacture of LCD advertising player in Ningbo, China. We have ... prices and high quality can meet your needs.Super function LCD Advertising player images 1, panel panel brands: AUO, INNOLUX, CHIMEI, ... 2pcs high stereo speaker(1Wx2) 4, Support file formatAudio: MP3 ;File Suffixes: *.mp3,Video: MPG1 (VCD), MPG2 (DVD/SVCD), MPG-4 ...