... 1.Support CF,SD,MS,XD to play 2.Support spot announcement function ... WFunction Description:1,Support CF,SD,MS,XD to play (Notice : CF and SD cards could ... reader, easily replace the advertisement content13,Support USB to carry on the program upgrade directly14,Support video ... player.18,Safety lock function , to avoid taking away the CF or SD card and machine 19 inch wall mounted advertising Media player ...