Sony 4 GB Walkman Video MP3 Player NWZ-E436F (Black) 4 GB capacity for up to 925 songs or 15 hours of video Enjoy up to 45 hours of continuous music or 8 hours of video on a single charge 2-inch TFT color display with white LED-backlight, QVGA (240 x 320 Pixels) resolution, and 262,144 colors Supported audio formats: MP3, WMA, AAC-LC, and Linear PCM; supported video formats: AVC(H.264/AVC), MPEG-4, Windows Media Video 9 1-Year limited warranty