New style portable mini speaker 1.Suitable for iPod,MP3,MP4,computer,mobile phone ,PDA and MDA 2.Power supply ... :Li-ion battery As one new type of product which is developed ... and team efforts. The basic information of our New-Style mini speaker is as follows,1).Be used ... .2W3).Frequency Response:200Hz-12KHz4).Power supply:Li-ion battery5).USB connector6).75mm Stereo connector