... for iphone 4S Mini speaker, plastic speaker, mp3 speaker, wireless speaker,USB speaker 1.Recharge: USB charging, USB download charging ... , independent charging.2.compatible with CD player,PC/MAC,MP3 player,MP4 player, DVD player3.Mute function4.suitable ... for: Ipod, Sony Ericsson, NOKIA, SAMSUNG mobile phone,MP3 player and so on ...