1.Model: SF-106 2.Display size:4.8-inch TFT screen 3.Flash: 4GB Display size: 4.8-inch TFT screen E-book:supports TXT, FB2, PDF, EPUB, HTML ... APE, FLAC, DTS, and others Picture: supports JPG, BMP, GIF (flash) format and others Supports multiple languages With built-in speaker ... USB 2.0 version TF card Mic recording Flash:4GBTemperature:0 to 40°C CD driver ...