TEAC MP3 Player 4GB with bluetooth. Player media type: Flash, Total storage capacity: 2 GB. Display: LCD, Display diagonal: 50.8 mm (2 "). Continuous audio playback time: 17 h, Battery technology: Lithium-Ion (Li-Ion). Weight: 54 g. Dimensions (WxDxH): 45 x 82 x 14 mm, Media types supported: MP3, WMA, OGG; DRM9/10, Audio recording formats: MP3