Fashinable portable mini speaker with USB input high quality: 1.New mini iphone speaker 2.SD card reader and play Product Specification/Models: ... USB charging connection, you can use it more portable along with computer, cell phone, PSP, MID, MP3, MP4, and MP5. 7. ... cavity expansion, the volume immediately smaller, easily to put into a pocket. 10. Innovative design of the hidden input, so that ...