Energy Sistem MP5 Color Book 3048 Ruby. Diagonal: 109.2 mm (4.3 "), Technology: TFT, Display resolution: 480 x 272 pixels. Document formats supported: CHM, ePub, FB2, HTML, PDB, PDF, PDF, RTF, RTF, TXT, Audio formats supported: AAC, APE, FLAC, M4A, MP3, OGG, WAV, WMA, Image formats supported: BMP, GIF, JPG, PNG. Internal storage capacity: 8 GB, Compatible memory cards: microSDHC, Maximum memory card size: 16 GB. Interface type: USB 2.0, USB connector type: micro USB A, Headphone connectivity: 3.5 mm. Battery life (max): 20 h, Continuous reading time: 6 h, Continuous audio playback time: 20 h