Hear Through Tounge

A device that allows users to “hear” with your tongues.

 

It converts sounds into distinct patterns of vibration that can be felt by the tongue

You can go to this website for more info

• http://www.iflscience.com/technology/new-device-could-allow-individuals-hear-through-their-tongues
• http://www.telegraph.co.uk/technology/news/11354541/New-device-allows-deaf-people-to-hear-with-their-tongue.html

Here some video