Sony NWZ-E436F. Player media type: flash-media, Total storage capacity: 4 GB. Display: LCD, Display diagonal: 50.8 mm (2 "), Display resolution: 240 x 320 pixels. Audio formats supported: AAC, MP3, WMA, Video formats supported: MP4, MPEG4. Continuous audio playback time: 45 h, Battery recharge time: 4 h, Continuous video playback time: 8 h. Weight: 50 g, Depth: 8.5 mm, Height: 83.9 mm