... speaker for apple iphone, ipad,ipod 2.No power needed 3.Connect to PC,MP3,MP4,MD,CD,DVD player, mobile phone ... or batteries required, simply plug the speaker into your player4.Connect to laptop,PC,Mobile Phone,Ipod,Iphone,MP3&MP4 Players and ... power 2wfrequency response 200Hz-5kHzimpedance 8Ωresponse 97dBPackage: Cake Mini Speaker for apple iphone,ipad,ipod.PC,MP3,MP4,MD,CD ...