Turn any gathering into a party with the Altec Lansing HydraBoom waterproof Bluetooth wireless speaker. Designed to deliver powerful bass, this speaker is equipped with four 1.5" drivers, a 2.5" woofer, and a passive radiator. Its Just Ask feature, floating capabilities, and rugged construction make it effortless and convenient to use. | Altec Lansing HydraBoom Waterproof Bluetooth Wireless Speaker - Black/Royal Blue