Trekstor Pyrus. Diagonal: 152.4 mm (6 "), Technology: E Ink, Display resolution: 600 x 800 pixels. Document formats supported: ePub, FB2, HTML, PDB, PDF, RTF, TXT, Image formats supported: BMP, GIF, JPG, PNG. Internal storage capacity: 4 GB, Compatible memory cards: microSD (TransFlash), microSDHC, Maximum memory card size: 32 GB. Interface type: USB 2.0, USB connector type: micro USB A, USB A. Battery technology: Lithium Polymer (LiPo), Battery recharge time: 3 h