GOgroove SonaSPHERE 3.5mm Mini Portable Stereo Rechargable Speaker with Enhanced Bass & Capsule Design for Samsung , Apple , Sony , Motorola , HTC , LG , Nokia and more Smartphones ** Includes Touch Capacitive Stylus Pen**
I charged it and it refused to work with my Samsung Galaxy Y phones, I have 2. It worked on two occasions with my Samsung Champ but when disconnected to answer a call it refused to work again.