Transcend T.sonic 820 4 GB Video MP3 Player (Black) 4 GB capacity for about 1,000 songs 15 hours of audio on a single charge 1.5-inch OLED display with 128 x 128 pixel resolution Supports MP3, WMA, WMA-DRM10, and WAV audio formats; MTV video format (convert using included software); JPG and BMP image files; TXT text files 2-year limited warranty