It allows the user to spritz through a book a lot quicker than traditional methods, by allowing for words per minute (WPM) control with additional fine-tuning for word length, comma / period delays. Currently supports PDF, EPUB, DOCX & TXT file formats. Users can also copy / paste books from other sources, like web-sites. Sharing from other apps is also supported, for example by selecting text and clicking "share" or entire web-sites from chrome by clicking "share" from the menu. Volume up / down controls playback speed.