2011 Hottest Computer Speaker support TF, /USB/U disk 1)ROHS ... card interface 3)Support SD/TF card,U 2011 Hottest Computer Speaker support TF, /USB/U disk1)ROHS,CE, ... , MP3, MP4, DVD, CD, U plate and the audio equipment outside put.2. Applicable equipment: SD card, U dish3 ... disk file playback.4. Support external MP3 / MP4 / computer/mobile audio audio inputfunction etc.5. DC5V and 5 P-USB power supply ...