Cowon O2 16 GB Video MP3 Player (Black) 16 GB capacity for about 4,000 songs 18 hours of audio or 8 hours of video on a single charge 4.3-inch, 16.7 million color digital TFT LCD screen with 480 x 272 pixel resolution Supports MP3/2/1, WMA, ASF, AC3, FLAC, OGG, M4A, MATROSKA(MKA), TTA, APE, MPC, WV, and WAV audio formats; AVI, WMV, ASF, MP4, and more 1-year limited warranty