ODYS MP3 Player X38 4GB. Player media type: flash-media, Total storage capacity: 4 GB, Compatible memory cards: Micro SD. Display: LCD, Display diagonal: 50.8 mm (2 "). Video formats supported: RM/RMVB MPEG/AV, Image formats supported: JPG. Headphone connectivity: 3.5 mm. Signal-to-Noise Ratio (SNR): 90 dB, Equalizer modes: custom