... 4, 3*2030 & 7*2030 IC 5.1 Speaker with USB/ SD Support mp34/5 play Model : H-510DA New ... technique, New function-vedio play !!Features:1,USB/SD card support mp3/4/5 format, can add wma format 2, ... any other device of the audio frequency with output. 5, Key button with remote control is very convenience to put it ... 404*475mm/2Sets Quantity:1100sets/40HQ 5.1 Speaker with USB/ SD Support mp3/ 4/5 play