mini speaker,wireless speaker 1,DC 12V 2.AC power 3. ... for iphone 4S Mini speaker, plastic speaker, mp3 speaker, wireless speaker,USB speaker1.Recharge: USB charging, USB download charging, ... DVD player3.Mute function4.suitable for: Ipod, Sony Ericsson, NOKIA, SAMSUNG mobile phone,MP3 player and so on.Output: 2x5w ... best only better, so our products are more competitive wireless speaker for iphone 4s