Transcend 4GB T.sonic 840, Black. Player media type: flash-media, Total storage capacity: 4 GB. Display: LCD, Display diagonal: 45.7 mm (1.8 "), Display resolution: 176 x 220 pixels. Audio formats supported: MP3, Video formats supported: MTV, Image formats supported: BMP, JPG. Depth: 82 mm, Height: 12.5 mm, Width: 40.5 mm. Audio recording formats: IMA ADPCM (WAV)