Wow, it does look similar except for the buttons. I thought that the CH will wait until the end for quality design, as the contest end on 8th April 2016.
check out winner link: http://flash.newegg.com/Product/N82E16875157005
Is that copy past contest? i am daily base design a headphone in 3d. i am surprise to see that design, Photoshop manipulation is winner. sorry Mohit javed