1.USB laptop speaker 2.Audio speaker 3.Applicable to USB,SD/MMC card,mini TF 4.card,computer,mobile,MP3,MP4,Ipod iphone etc. Digital ... -low sound powered from the phone.-Support USB,SD card,computer,mobile phone,IPOD,PSP,MP3,MP4 to listen to music-Have ... AE.run.minisite.productShow(); oProductShow.init( { 'aImgSrc': aBigImageSrc } ); } )(); Two speakers USB laptop audio speaker