1.Support USB&SD Card 2.FM Radio&Plastic material 3.Digital pipe display 4.Remote control,Headset ... We are a professional manufacturer of all kinds of speakers,cassette players,radios,headphones in different style,color and sizes. ... card slot.2.application:mp3/4 player,ipod,cd,pc and mobile phone.3.FM radio87.5-108mhz.4.battery:build ...