In terms of design the smartphone is somewhat reminiscent of both HTC's One X (the overall shape and unibody shell) and Samsung's Galaxy Note II (the camera pod and shiny finish).
With their pressure-relieving memory foam ear pads, the X Headphones conform to each listener's unique ear shape, providing a highly effective acoustic seal.
That policy was changed in a recent newsletter, however, to permit the creation of Windows 8 devices with a resolution of 1, 024 x 768 -- likely representing a very different size and shape.