MARS BY CRAZYBABY &ndash; World&rsquo;s Only Auto Levitating Speaker with Subwoofer, White Mars craft floats elegantly in space, unique automatic launch & land levitation system Hi-fi full range sound from floating tweeter and sub-woofer base 8 hour battery life with auto land and charge for craft Crazybaby app for IOS and android makes your music experience simple and fun High quality speakerphone, proximity sound adjustment