The B-Touch mobile phone takes the iPhone touchscreen revolution a step ahead by incorporating innovate features to make a touchscreen mobile phone for the blind. Limitation of senses does not hinder the sensitivity of this phone coz it combines technologies of blind-touch screen (Braille), voice systems and programs to function as regular phone, navi-system, book reader and object recognizer. Take a look at the video below  to understand it better.

via:yankodesign