... For home theater 5.1 speaker B. USB/SD, FM radio C. Remote control (full-function) D. Dynamic ... ! For home theater 5.1 speaker with USB/SD,FM,VFD display,Remote control,Karaoke Specifications: 1. Power (RMS ... + 3"full range*53. USB/SD decoder4. Digital FM radio 5. Full-function remote control 6. Dynamic VFD ... speakers9. Usage: easy connection with USB, SD/MMC card, FM, PC, laptop, DVD, VCD, CD, TV, MP3/4 ...