Review: Sony MDR-ZX770BT

It's a difficult task to stand out in the headphone market these days. Having a killer feature helps, be it awesome sound performance or wireless capabilities. But value remains the most important item on many listeners' checklists. The more packed into the offering, the better.Sony enters 2015 guns a-blazing with a new set of wireless over-ear headphones for just $150. (This model isn't currently available in UK or AU regions, though Sony's MDR-ZX770BN, a step-up in specs including noise cancel