7 inch ebook reader (Keypad) 1.built-in Lithium polymer (2,800mAh) 2.Support Video, Music, Photo play,record 3.FM function 7 inch ebook reader(keypad )Main function: E-Book:Format support: TXT, PDF, HTM, HTML, EPUB, FB2…Tip1: You can through "browser history" to quick find recently open documents.Tip2: You can press rotate button to choose horizontally or vertically.In the reading process, ...