7 inch ebook reader (Keypad) 1.built-in Lithium polymer (2,800mAh) ... .Support Video, Music, Photo play,record 3.FM function 7 inch ebook reader(keypad )Main function: E-Book:Format support: TXT ... (USB) 1500mA (DC)Interface: mini USB 2.0 x 1, HDTV x 1, Earphone x1Work time: more than 5 hours in ...