Energy Sistem Energy 3216 DUO FM-T. Player media type: flash-media, Total storage capacity: 16 GB. Display: LCD, Display diagonal: 45.7 mm (1.8 "), Display resolution: 160 x 128 pixels. Audio formats supported: MP3, WMA, WAV, Image formats supported: JPG, BMP. Equalizer modes: custom. Battery technology: Lithium-Ion (Li-Ion)