... 1.Handwriting function 2.Energy-saving environmental protection 3.To protect eyesight ebook readerDisplay6" diagonal electronic paper display, optimized ... .11g standard;USBPortUSB 2.0 for connection to the power adapter or optionally to connect to a PC or Macintosh computer.Audio3.5 ... ,jpg,png,bmp,gif,tiff,mp3,wma,wav,m4aIncluded AccessoriesPower adapter, USB 2.0, Cable,quick guide,Earphone,Leather Cover ...