HD-25 : Now I know why it's a classic

Before I got it, I didn't realize how small it is! Very lightweight and comfortable. And the second surprise was how overall good and powerful it is, for such a small size.

Bass is good enough for me, noise isolation is pretty good for such a cups that sits on the ear and doesn't clamp too much (it's very relaxed fit). Only one (left) cup is twisting and wire is connected to the right cup.

It's absolutely ok to use this as just regular headphones, exactly what I do most of the time: it's just connected to my PC through audio interface. Small size means you can take it everywhere, and it also perfectly works while connected to my smartphone, so I assume it will be fine with most of modern devices as smartphones, tablets, just a regular notebook audio jack, etc.