Bang & Olufsen already offers headphones, and it has the B&O Play line to serve a mobile-oriented world. Wouldn't it be nice if the two categories mixed? As of today, they do. The B&O Play H3 in-ears and H6 over-ears apply that Danish love of aluminum and leather to the kind of headphones you'd want to pack with your MP3 player or smartphone. The H3 carries 10.8mm drivers, a mini bass port and a 20Hz to 16kHz range in a unibody shape that should hold up to exercise; the slig