... audio plug ,connects to Ipod 1.high end portable USB Mini speaker for mp3/mp4/iphone, Mini USB speaker ,Work with all sound source with 3.5 ... audio interface product like : MP3 ,Computer ,mobile phone ,CD player etc, Protable mini ... *42*28mm 100pcs/carton8. OEM order is welcome, high end portable USB Mini speaker for mp3/mp4/iphone