Nothing is slowly fleshing out its headphone lineup and is now adding a Pro tier. For context, we got the Headphone (1) a year ago, then the Headphone (a) this Spring.The Headphone (1) Pro comes in either Black or White, and costs €370. For context, the Headphone (1) is normally €300, but is currently €250. Let's unbox the Pro. It ships with a 3.5mm cable and a USB-C cable, while the headphone itself sits in a case that encloses the cups but leaves the band unprotected to serve as a handle.It's similar in both look and concept to the AirPods Max 2 Smart Case. It has a glossy...