iLuv has introduced ReF, a new line of headphones ($130). The collapsible on-ear headphones feature an all-fabric exterior, in-line remote, and a built-in mic with hands-free capabilities, as well as ear cups made from “Korean protein leather.” ReF headphones promise “deep bass and precise treble.” ReF headphones come in two variations, one generic, and the other specific to Apple devices. Both versions come in black, white,…
