Sony NWZ-S736F 4 GB Slim Noise-Canceling Video MP3 Player (Black) 4 GB capacity for 950 songs or 14.5 hours of video Enjoy up to 40 hours of music or watch up to 10 hours of videos on a single charge 2-inch backlit GVCA TFT display with 240 x 320 resolution Supported audio formats: MP3, WMA, AAC-LC (unsecured only), and Linear PCM; supported video formats: MPEG-4, M4V 1-year limited warranty