Looking for a wireless Bluetooth speaker system? then the ECOXBT is your perfect portable solution. The ECOXBT wirelessly connects to your smartphone, tablet, or laptop providing a rugged and waterproof mobile Bluetooth speaker and speakerphone solution. The ECOXBT is not just water resistant but actually 100% waterproof. So don't worry if it gets knocked in the pool, falls off the boat, drops into the river, lake or ocean. It even floats! An Aux-in jack on the back of the unit provides the option to physically connect any iPhone, smartphone, mp3 player or any audio source with an audio out jack.