Walmart prematurely confirms the price tag and features of Sony's next big headphones

Unveiled almost two years ago, the impossibly named are still some of the best over-the-ear wireless Bluetooth headphones with active noise cancellation technology money can buy. Especially when you can routinely , , or even .

But while this particular industry doesn't appear to be progressing at the same blazing fast pace as, say, or even , you can't keep the same old product around forever without at least refreshing its design, throwing a new coat of paint on, and revising some of its features.

Following in the footsteps ...