7 inch ebook reader (Keypad) 1.built-in Lithium polymer (2,800mAh) 2.Support ... , Music, Photo play,record 3.FM function 7 inch ebook reader(keypad )Main function: E-Book:Format support: TXT, PDF, HTM ... reading process, including following sub-function:Page jump, save mark, Load mark, Del mark, Browser Mode (Auto mode/ manual mode), Flip time, set ...