... , sound box, loudspeaker, Pop up speaker, hamburg speaker, mini speaker, mini loudspeaker, mp3 speaker, mp4 speaker, folding speaker, foldaway loudspeaker ... for MP3unit size: 53(dia)x36mmFeature and function :- Folding mini speaker work for any audio players, such as Notebook, ... PC, Ipod, Iphone, Mobile phone, CD, MP3&MP4 Player, DVD player etc.- Fashion portable design, each in wonderful sound effect ...