It uses either the Braille system which uses six large keys that correspond to the six dots on the Braille cell, or the standard QWERTY keyboard, or both. Although each device offers different features, many of them can be used by braille learners to read books, write assignments, find directions, record a lecture, and listen to podcasts. The information can be easily transcribed to provide a means of communicating with peers, teachers, and others who do not read braille. The braille display can be used with the iOS device. Many Bluetooth wireless braille displays work out of the box with the iPhone,