Having dual touch screens and e - Ink / LCD make a better experience in reading university textbooks, and having the option to few video, audio and see colored pictures. (goodereader.com)
These devices all feature dual touch, which means you can use a stylus or your fingers. (goodereader.com)
These layers include proprietary hard coat for exterior protection, a shield for protecting the interior lens, dual touch layer for safeguarding touch - sensitivity and touchscreen, and an aluminum chassis. (bgr.in)