PocketBook Reader Flex PocketBook Reader Flex is a unique, flexible device that looks fabulous and is designed for many different kinds of user, both indoors and outdoors. PocketBook Reader Flex comes with a flexible Eink Mobius 13.3“ display, a moisture-proof and a tough, 6.5-mm-thick housing. It can operate as a standalone device or as a second screen, displaying information from the master device (smartphone, tablet or laptop). It enables comfortable viewing of complex drawings, graphics and large documents, and allows magazines and books to be read in a “two-pages on screen” mode. The stylish and intelligent design of PocketBook Reader Flex makes it incredibly convenient to use, while retaining flexibility and the paper effect thanks to its minimal housing thickness.