OLED displaly Support MP3/WMA music play formats ; Built-in quick flash Memory:64M/128M/256M etc Built-in Lithium battery Original sound could be played, with high quality record for 8 hours ; High speed USB Port 7 kinds of EQ music effect settings Built-in adjustable FM Radio, with FM inner recording content ; Portable&movable USB; Support 12kinds of languages display, with A-B repeating function, Tel book ; SupportingID3 information(synchronized display of song&lyrics);