BEST SELLING Waterproof Bluetooth Speaker with Powerbank, EVIZIAN&reg; ROKON CHARGE 2 in 1 Ultra Portable Wireless Waterproof Shockproof Dust Proof Rugged Bluetooth Speaker with Built In Powerbank - Better Sound, Better Volume, Incredible Online Price - The Perfect Indoor Outdoor Speaker - Black RICH BASS & HUGE VOLUME: Our Bluetooth wireless speaker delivers rich bass & huge volume in premium quality, high-fidelity audio for all the contemporary beats you love to play for your friends. WATERPROOF: It's a completely portable and waterproof Bluetooth speaker that's versatile enough to use in the shower, outdoors, at the pool or your next beach party without fear of it being damaged. POWER BANK BUILT IN: 2 in 1 speaker also functions as a powerful 5600 mAh cell phone battery charger, compatible with the latest iPhone, iPad or Samsung Android cell phone - Charges most smart phones twice on a single charge! DUSTPROOF & SHOCKPROOF: Our speaker is dust-proof & shock-proof so you can be confident that it's safe to use wet or dry - Also comes with built-in noise reduction microphone & standard USB jack so you can use it to make hands-free calls on your cell! LIFETIME WARRANTY: We offer a lifetime guarantee so if you arent happy, well send you a no questions asked refund. So, click the Add to Cart button now and never have to worry.