p > Take your music with you all over, the sunlight will power the rukus to keep your tunes playing. If your phone begins to die, no fears, plug it into the rukus to obtain a charge. When it gets dark, the internal lithium battery will keep the music opting for hours or you can make use of the included USB cable television for non-stop songs. Stream all your music from virtually any Bluetooth-enabled smartphone, tablet or computer. And for non-Bluetooth gadgets, there's an aux-in. It's time to start a Rukus!