Thanks to noise-cancelling technology and celebrity endorsements, the price of headphones has spiralled out of control. But if you're unwilling to fork out half your monthly rent on a pair, there's an alternative. Emphasis on alternative.
This lo-fi creation from eccentric inventor Zimoun is made from just a couple of boxes, two motors and a couple of cotton wool balls.
You really need to play the video below to see how they work and what they sound like. We're impressed, sure, but we think we''ll stick with our regular headphones for now...