... 2.Built-in-polymer battery 3.Robot big sound small speaker 2012 hot sell mini speaker,card speaker, ... big sound small speaker TF card reader,FM Radio, Good Bass ... enables you enjoying good musicON/OFF buttonCompatible with computer,PC,notebook,Iphone,ipad,ipod,etc.. 1.Dimension90*60 ... )With line in function,can switch-in Notebook PC,MP3,MP4,Ipnone etc.. 3)Charge Time:USB ...