mini speaker,wireless speaker 1,DC 12V 2.AC power ... iphone 4S Mini speaker, plastic speaker, mp3 speaker, wireless speaker,USB speaker 1.Recharge: USB charging, USB download ... for: Ipod, Sony Ericsson, NOKIA, SAMSUNG mobile phone,MP3 player and so on.Output: 2x5w (stereo)respond frequency: 100HZ-18KHZInput ... pieces I-pod backrest, Extra for four kinds of mobile phone docking , add USD3.00 Box size:265* ...