The Eton Rugged Rukus is an all-terrain, solar-powered, music-blasting wireless sound system empowered by music. Rugged Rukus’ incredible solar panel generates massive amounts of power to play your music all day long. When it gets dark, the internal lithium battery will keep the music going for 8 hours. Or you can use the micro USB cable with your smartphone charger for non-stop entertainment. Stream all your music from any Bluetooth enabled smartphone, tablet or computer and control your tunes from your device.