... suport SD/TF/CD/DVD 3.portable,nice design 4.best quality & competitive price Portable USB Mini Speaker With Replaceble Battery: 1. ... desktop, MP3, MP4, tape recorders, learning machines, radios and other audio device 6.Simple & fashion design, easy to assemble and disassemble ... :87.5-108 MHZ) Card reader function, audio line in and earphone audio output function. 3.Press"MODE" button for shifting ...