A. 5.1 home cinema speaker B. USB/SD C. FM radio D. remote control E. LED color light 5.1 home cinema speaker with USB/SD/FM/remote control1. power (RMS): 48W + 15W*5 2. speaker units: 6.5" woofer + 3" tweeter*63. USB/SD4. FM radio5. full-function remote control6. LED light7. karaoke function8. subwoofer: 315*200*335mm9. satellites: 110*95*360mm