Boost the volume of your music, speakerphone, podcasts, audiobooks, videos, and more! No cables needed. No bluetooth pairing required. Just place your phone on top and enjoy great sound. • Uses inductive coupling and sound application technology • No cables, no pairing, no bluetooth, no set-up required • Works with any mobile device that contains a built-in speaker • Crisp and clear stereo sound • USB rechargeable • Soft touch rubberized coating for durability • Available in 5 colors: Black • Red • Navy • Fuchsia • Lime >> TO USE: Simply place your phone on top with it's internal speaker towards the back on the Booom Box, and enjoy instant BOOOMING sound! >> FINISHED LISTENING? Just pick up your phone and go! * Includes USB charging cable DC5V IN * Comes with Audio In AUX port for additional device options