portable mini speaker 1.Li-ion battery mini speaker 2.link to mobile phone,MP3,MP4,PC,IPOD and other audio devices portable mini speakerTechnical Parameters ... .2mmWeight:51gColor:Blue, Silver,RedBlack,Pink,Red Li-ion battery mini speakerFunction: (1) Can play music by link to mobile phone ... )USB power supply cable2)3.5mm audio tie-in portable mini speaker