Portable usb mini music speaker with ipod dock 1.With fm radio,usb,sd card 2.For ... 4.Mini&portable Portable usb mini music speaker with ipod dock Frequency response 150HZ-20KHZOutput(RMS) 3W*2SNR95dBTHD10(%) Impedance 4 ... radio any time anywhere4.Used for network,computer,mp3,mp4,mobile phone5.Power Supply:rechargeable battery ,5V/1000m adaptor and ... you! Portable usb mini music speaker with ipod dock