TEAC MP-280, 4GB. Player media type: flash-media, Total storage capacity: 4 GB. Display diagonal: 45.7 mm (1.8 "). Audio formats supported: MP3, WMA, Video formats supported: AVI, Image formats supported: JPG. Continuous audio playback time: 16 h, Battery technology: Lithium Polymer (LiPo). Weight: 31.6 g, Depth: 8.5 mm, Height: 84 mm