mini digital speaker: 1.Mini Mobile , MP3 ,PC speaker, 2.USB mini speaker 3.Play SD,TF card ,USB Flash memory mini digital speakerSpecefication: Out put power ... reader 3.Build-in stereo FM radio 3. Built-in speaker 4. Outer LED light have illuminate function 5. Compatible ... 7. Accessories: Line-in cable, USB cable, earphone, velvet bag, fixing device, string 8. Built-in rechargeable battery, USB port ...