Difrnce MP1875. Player media type: flash-media, Total storage capacity: 4 GB. Display: LCD, Display diagonal: 45.7 mm (1.8 "). Audio formats supported: MP3, WMA, Video formats supported: MTV, Image formats supported: JPG. Headphone connectivity: 3.5 mm. Continuous audio playback time: 12 h, Battery technology: Lithium-Ion (Li-Ion), Battery capacity: 350 mAh