1.TF card mini speaker with recahrgeable battery 2.Small size, good sound 3.With EQ and repeat function 4.USB data download ... of a unique mini digital audio. 3. The new aluminum diaphragm micro-speaker, clear treble, bass, pure, unique design, the sound ... , iPhone, PSP, mobile phones, computer. 5. Metal, circular design, button curved design, a variety of colors, highlights the modern style, make ...