Overall, I love this speaker, its light weight, excellent sound, and very comfortable using it in a long period of time

A friend was amazed at the clarity when used with his iPod & said he had to purchase the UR40.

These were not purchased for portable use

Over a year ago I bought a better Koss set and that one remains like new dispite teenage use (a good test indeed).

Slightly delicate wiring used may make them less long-lasting to those who pack them in a backpack of briefcase for use, but for regular use with care they will, and have, lasted a long time.

It would be nice since these are designed for portable use if they could fold up smaller than they do

They lasted about a year worth of relatively tough use

This is probably among the best headphones I've ever used

With conscientious adult use, cabling may not be an