... .speaker power:2*50W 2.designed for white board 3.MP3,CD,PC,SD card in 4. ... CE,FCC,ISO,ROHS 5.suitable for multimedia room wooden plate slim whiteboard speakers,column speaker strong point: ... This active speaker system is special designed for White Board. The speaker has inbuilt amplifier, you do not ... with PREV/PLAY or PAUSE/NEXT control/Mode6.Material :wooden case with cloth cover net ; iron case with ...