... 5A5)Packing informationPacking list :one unit 55” LCD adverting player ,two pieces of keys ,one English user manual ,one remote controllerHardware ... /PAL video playing format is optional.13.Support Build-in two high quality speakers stereo, rated power is 2 x 5W.14 ... and III,MPEG-4 AAC-LC,WMA,16bit PCM16.Support two USB2.0 interfaceApplicable fields 1.Hotel ,Commercial office building ,Elevator ...