Main IC Myson Certury Color Bullion,Red,Black,Blue Size 69.5mm*54mm*15.55mm 46g Function 1.Memory:8MB-1GB 2.support memory card and Play Mp3 No flash,only insert SD\MMC card. 3.Music file type:mp3 4.Digtal LCD Display 5.EQ:Bass\Jazz\Rock\classic\normal(no display) 6.USB 2.0 High speed. 7.Loop play, A-B repeat function 8.Single AAA battery ,8 hours for playing.