TEAC MP-266. Player media type: flash-media, Total storage capacity: 4 GB. Display diagonal: 45.7 mm (1.8 "). Audio formats supported: MP3, WMA. Continuous audio playback time: 10 h, Battery technology: Lithium Polymer (LiPo). Weight: 40 g, Depth: 8.3 mm, Height: 84 mm