Fydelity Namesake BUMP BAG Shoulder Bag Built-in Stereo Speakers and 1000 milliWATT amplifier Connects to any Smartphone or Table with 3.5mm headphone jack 6+ hours of play back from 4 x "AAA" replaceable batteries Fully Functioning Travel Case perfect for the beach, pool, hotel rooms or your make-u p table Splash Resistant Speakers