Sony and audio innovation have always been a perfect fit. Nowadays, the pace might have slowed down a bit, but the Japanese giant still has some interesting concepts to offer from time to time, like the new N headphones. The device more or less follows the neck bracelet form factor, like on the LG Tone or the Samsung Level U. However, the band itself holds speakers that are specifically designed to direct sound upward to the listener. This produces an interesting effect, where the wearer hears the music and also his or her surroundings, while advanced acoustics help keep splash out...
Source: http://www.gsmarena.com/sonys_concept_n_headphones_can_provide_a_soundtrack_without_isolating_you_from_the_crowd-news-17216.php