Ricatech RC-1400. Player media type: flash-media, Total storage capacity: 4 GB. Display: LCD, Display diagonal: 45.7 mm (1.8 "). Audio formats supported: WMA, MP3, Video formats supported: AMV. Continuous audio playback time: 8 h, Battery technology: Lithium-Ion (Li-Ion), Continuous video playback time: 3 h. Weight: 37 g