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Hello all, Now I show you something really innovative and very useful for discos and even there home. No more headphones because, from now on, you can listen to music at high volume without disturbing those who are in the same room. How? The audio Spotlight transmits sound through the air along a path such as a flashlight. It takes the form of a thin black disc half a meter diameter, directed at a person, lets get something extraordinary, the air around the head is filled with music, and if the person moves, the sound follows. The music stops when you change the position of the black disk, from where the ultrasound. A car brand is testing for four people inside the vehicle to hear four radio stations and / or playlists in the car. Interestingly enough, eh?
image not mine