Slimmer, more compact
design than previous Kindle; improved screen with higher contrast and faster page turns;
native PDF support; large library of hundreds of thousands of e-books, newspapers, magazines, and blogs via Amazon's familiar online store; Wi - Fi access to Amazon's online store; built - in keyboard for notes; with 4 GB (3.3 usable) of internal memory, it's capable of storing 3,500 electronic books; eight fonts available, including two new extra-large sizes; excellent battery life; displays image
files, and plays MP3 and AAC audio.