A. USB 5.1 subwoofer speaker B. USB/SD, FM radio C. Remote control (full-function) ... . Karaoke Functon 2012 NEW Model--- Private Mold --- HOT! USB 5.1 subwoofer speaker with SD,FM,VFD display,Remote control,Karaoke Specifications ... : 1270 setsVFD display: Package sample:Warehouse:Loading container: USB 5.1 subwoofer speaker with SD,FM,VFD display,Remote control,Karaoke