... HOT! For home theater 5.1 speaker with USB/SD,FM,VFD display,Remote control,Karaoke Specifications: 1 ... : 6.5"woofer + 3"full range*53. USB/SD decoder4. Digital FM radio 5. Full-function ... remote control 6. Dynamic VFD display 7. Two MIC inputs, karaoke function 8. MDF wooden cabinet ... for subwoofer; plastic satellite speakers9. Usage: easy connection with USB, SD/MMC card, FM, PC, laptop, DVD, ...