... MP3,TF card portable megaphone speaker 1. Music:WMA,WAV,MP3,etc 2. Vedio:AMV,AVI 3.large display 1.77inch Radio,MP3,TF card,USB host portable megaphone speaker with vedio ... shipment 1. Radio/ MIC / MEAGEPHONE /MUSIC/USB host/TF card speaker 3 in one,Mainly for Market-promotion, Class-teaching, Tour ... capacity, 7.4V, 2200MADc charger,10V Picture: Radio,MP3,TF card portable megaphone speaker with vedio