Bang & Olufsen’s new $1,500 headphones are designed to last forever

The Danish company Bang & Olufsen is known for extremes. (Like, you know, recently selling a $55,000 CD player from 1996.) Its most recent product—the new Beoplay H100 headphones, which are out today—is proof of that. To create its next gen of wearables, B&O built a new state-of-the-art R&D facility in Austria, and hired an entire ecosystem of experts, so that it could bring the creation of its offerings fully in-house. (Which is dedication, given that B&O already has a massive R&D...