2011 Hottest Computer Speaker support TF, /USB/U disk 1)ROHS,CE,FCC ... card interface 3)Support SD/TF card,U 2011 Hottest Computer Speaker support TF, /USB/U disk1)ROHS,CE,FCC 2 ... card, U disk file playback.4. Support external MP3 / MP4 / computer/mobile audio audio inputfunction etc.5. DC5V and 5 P ...