Featuring grooved serrations on its surface, the X Headphones' detachable cord provides an innovative design that eliminates friction between cable surfaces, reducing the incidence of frustrating tangles.

ENGADGET: Sony and Simon Cowell intro X Factor-themed MDR-X10, celebrity headphones officially jump the shark for $300

Featuring grooved serrations on the surface, the cords on Sony Extra Bass headphones provide an innovative design that eliminates friction between cable surfaces and reduces the source of frustrating tangles.

ENGADGET: Sony ships new Extra Bass headphone lineup to the US, delivers that Direct Vibe to your brain