mini speaker,wireless speaker 1,DC 12V 2.AC power 3.RMS:10W ... :speaker for iphone 4S Mini speaker, plastic speaker, mp3 speaker, wireless speaker,USB speaker 1.Recharge: USB charging, USB download charging ... , SAMSUNG mobile phone,MP3 player and so on.Output: 2x5w (stereo)respond frequency: 100HZ-18KHZInput sensitivity: 500mv-1.5vvoltage: Ac 220v ...