Yarvik GoBook 7. Diagonal: 177.8 mm (7 "), Display resolution: 800 x 480 pixels, Aspect ratio: 16:9. Document formats supported: DOC, ePub, FB2, HTML, MOBI, PDB, PDF, RTF, TXT, Audio formats supported: AAC, FLAC, MP3, OGG, WAV, WMA, Image formats supported: BMP, GIF, JPG, PNG. Internal storage capacity: 2 GB, Maximum memory card size: 32 GB. Interface type: USB 2.0. Processor clock speed: 256 MHz, Built-in processor: Rockchip2738