Good portable headphones

These are a good alternative to earbuds for carrying with your MP3 player or other portable device. (The nice thing about phones with a headband, besides the fact that they don't keep falling out of your ears, is that you can take them off and leave them around your neck -- no dangling). They fold up easily and are lightweight.

The sound quality is very acceptable -- clear trebles, sufficient bass for a realistic sound from the cello section. I don't like "boom" music so I haven't tested them for that; I expect they would not be a good choice, being the "on the ear" rather than "over the ear" design.