Sandisk Sansa Clip 4 GB MP3 Player (Black) NOTE: In order for headphones to work properly, insert jack into device port until it "snaps" so that no metal of the jack is visible Tiny, ultra-portable 4 GB MP3 player Plays MP3, WMA, secure WMA, and Audible audio file formats; features an FM tuner with 40 preset channels Up to 15 hours of play time with internal rechargeable battery Voice recording with built-in microphone