lg cm4550 700w 2.1ch mini shelf system with built-in subwoofer and bluetooth home theater systems up to 700w of total power 2-way main speaker design external 7" subwoofer auto dj mode bluetooth music streaming built-in cd player + fm tuner 2 x usb / 1 x rca / 1 x 3.5mm lg soundsync wireless 700w searching for powerful sound? look no further than this lg audio system which pumps out a commanding 700 watts of audio, more than enough to fill your room with booming tunes. auto dj auto dj virtually eliminates the gaps between songs, so the party never has to stop for you and your guests. people will think you hired a dj for the night! bluetooth wirelessly stream music directly from your smartphone or other compatible device for a seamless listening experience.disclaimer: interoperability and compatibility among bluetooth devices may vary. dual usb two usb inputs allow you to connect multiple usb-enabled devices at the same time, for greater convenience. you can also transfer files from one usb drive to another, and record from different inputs including cd, aux and fm radio. sound sync wireless no wired connection needed! simply link your lg audio product with your compatible lg hdtv wirelessly via bluetooth, reducing the cable clutter behind/beneath your television.disclaimer: interoperability and compatibility among bluetooth devices may vary. cd player still enjoy playing compact discs? this lg mini shelf system features a cd player so you can spin your favorites as well as the discs your friends bring over.