1,mini speaker FM radio speaker 2,digital portable speaker 3,USB Li-ion battery 4,accept paypal, 5, ... ,CD etc;3,DC, USB,battery can provide power; 3W dual voice built-in, frequence:80-2000HZ Power:4*3W 1 ... -755-88365064 Low price KS-13 mini speaker Very good portable speaker for cell phone PC computer MP3 MP4 player mini ...