2011 Hottest Computer Speaker support TF, /USB/U disk 1)ROHS,CE,FCC 2)With USB and SD card interface 3)Support SD ... Hottest Computer Speaker support TF, /USB/U disk1)ROHS,CE,FCC 2)With USB and SD card interface 3)Support SD/TF ... . Application: notebook computers, mobile phones, MP3, MP4, DVD, CD, U plate and the audio equipment outside put.2. Applicable equipment: SD card ...