About this item Play it Loud -Provides powerful stereo sound big enough to party even in the great outdoors. BassUp Technology – With the touch of a button, infuse your tunes with a booming boost of bass. Light it Up -LEDs blink and dance to create a beat-driven light show and an atmosphere of fun. Fully Waterproof -IPX-7 protection means Select Pro is fine with getting drenched. Throw it into the pool and watch it float, never missing a beat.