Invisible Headphones

CES is the best place to uncover unusual tech innovations, and this year's show is no different, with one company launching what it calls a pair of "invisible" headphones. 

Looking a little like a mini soundbar, the Noveto N1 is a rather novel audio device that uses beamforming technology to create a binaural audio experience without the need for a pair of headphones – but unlike a soundbar, this audio can only be heard by the user's own ears. 
It works by transmitting ultrasound silently through the air, which converges into audible pockets just outside of your ears - creating an experience similar to wearing a pair of headphones.

Read more - https://www.techradar.com/news/invisible-headphones-are-as-cool-and-crazy-as-they-sound