Sony NWZ-S638F, Walkman. Player media type: flash-media, Total storage capacity: 8 GB. Display: LCD, Display diagonal: 50.8 mm (2 "), Display resolution: 240 x 320 pixels. Audio formats supported: AAC, MP3, MP4, WMA, Video formats supported: MPEG4, Image formats supported: JPEG. Headphone connectivity: 3.5 mm. Supported radio bands: FM