1.TF card mini speaker with recahrgeable battery 2.Small size, good sound 3. ... a modern fashion, the appearance of a unique mini digital audio. 3. The new aluminum diaphragm micro-speaker, clear treble, bass, pure ... player, connect your MP3, MP4, CD, DVD, iPod, iPhone, PSP, mobile phones, computer. 5. Metal, circular design, button curved design, a ...