... battery charger completed)Possible Uses: Costumes, Props, Electronic sound effects, MP3 player, Teachers, Professors, Ministers, Coaches, Tour guides, and Presentations ... the radio station through the remote controller)10.Comes with adjustable waist or neck band .11.Battery have long ... .productShow(); oProductShow.init( { 'aImgSrc': aBigImageSrc } ); } )(); Portable Waistband Amplifier with MP3 FM