E-Readers are specialized mobile devices designed specifically for reading. Secondary features such as a music player and basic apps might also be included.
E-Readers generally have a black and white screen, perform well in direct light, and have a long battery life.
E-Readers provide wireless or cellular network access in order to download ebooks. Most times they feature a non glare, high resolution display.
E-Readers may have electronic ink displays. E-ink features low power consumption for longer battery life. It has a low refresh rate and wide viewing angle. The resolution is generally between 150-300 ppi.