... mini speaker for mp3,,mobile phone,iphone,ipad 1)Outdoor,Portable Mp3/Mp4 mini speaker 2)with TF card reader 2011 hottest mini speaker for mp3,,mobile phone,iphone,ipad ... choiceBuilt-in Lithium battery,works 6~12hours.Recharge time :6hoursDimensions:8.5cm Height:3.5cm diameter.Power output:2WRF:20Hz-20HKz ...