Axxion AMP-210. Player media type: flash-media, Total storage capacity: 2 GB. Audio formats supported: MP3, WMA. Continuous audio playback time: 5 h, Battery technology: Lithium Polymer (LiPo). Weight: 20 g, Depth: 13 mm, Height: 30 mm. Dimensions (WxDxH): 44 x 13 x 30 mm