This Sony Portable Bluetooth Speaker is a great addition to any music lover's collection. With wireless connectivity, including Bluetooth and USB, you can easily connect your devices and enjoy your favorite tunes. The compact cube shape makes it easy to take on the go and the black color adds a sleek touch. This speaker is compatible with both Universal and Sony brands, specifically the Universal model. The Sony SRS-X11 model has a RMS power of 10 W and features a remote control. Please note that the item is brand new in box, unopened, and comes with absolutely no warranty.