Ricatech RC-650. Player media type: flash-media, Total storage capacity: 4 GB. Display: LCD, Display diagonal: 38.1 mm (1.5 "). Audio formats supported: MP3, WMA, Video formats supported: MTV. Continuous audio playback time: 8 h, Battery technology: Lithium-Ion (Li-Ion), Continuous video playback time: 3 h. Weight: 40 g, Depth: 9 mm, Height: 44 mm