CMX MITIS 4GB. Player media type: flash-media, Total storage capacity: 4 GB. Display: LCD, Display diagonal: 38.1 mm (1.5 "), Display resolution: 128 x 128 pixels. Audio formats supported: MP3, WMA, Video formats supported: MTV, Image formats supported: JPG, BMP. Headphone connectivity: 3.5 mm. Sensitivity: 85 dB