... 2. Vedio:AMV,AVI 3.large display 1.77inch Radio,MP3,TF card,USB host portable megaphone speaker with vedio Specifications ... , Auto search FM,Auto memory.8. Line-in function for MP3/MP4/PC, etc9. High power big rechargeable lithium battery.standby time ... +R) Battery capacity, 7.4V, 2200MADc charger,10V Picture: Radio,MP3,TF card portable megaphone speaker with vedio