RCA M2001 1 GB Flash Player with Interchangeable Cases 1 GB MP3 PLAYER 1 GB DEVICE COMPATIBLE WITH MP3, WMA, DRM, AUDIBLE & JANUS ; 18 HOURS OF PLAY WITH 1 AAA BATTERY; MULTI-LINE OLED DISPLAY ; PLAYS SECURE CONTENT ON VARIOUS DEVICES INCLUDING XBOX 360(TM); EXPANDABLE SLOT FOR MORE MUSIC; 100 FREE MP3 DOWNLOADS FROM RCA(R)