DESC: Product Features: Interface: USB 2.0; Storage Capacity: 16 GB; Screen Size: 2.4 inch; Main Storage Type: Built-in Memory; Number of Songs: 4100; Usage: Music, Photo Viewing, Recording, Video; Audio Format: FLAC, MP3, Ogg Vorbis, WMA; Video Format: MPEG-4, WMV; Max Video Resolution: 320 x 240; Additional Features: Equalizer Controls, FM Stereo Tuner, Voice Recorder; Battery Life: Up to 50 Hours; Battery Type: Li-Polymer; Power Source: Internal Battery; Depth: 0.39 in.; Height: 3.94 in.; Width: 1.89 in.; Weight: 2.07 oz.; Weight and Size: Compact; Family Line: Samsung YP