Radio,MP3,TF card portable megaphone speaker 1. Music:WMA,WAV,MP3,etc 2. ... 77inch Radio,MP3,TF card,USB host portable megaphone speaker with vedio Specifications Item NoPJ-301Size16*9*6.5CMMaterialABSPowerrechargeable ... Radio/ MIC / MEAGEPHONE /MUSIC/USB host/TF card speaker 3 in one,Mainly for Market-promotion, Class-teaching, Tour ... 10V Picture: Radio,MP3,TF card portable megaphone speaker with vedio