If you use a pair of non-collapsible headphones for your PC and then pack some earbuds for when you leave the house, it's time to check out these Sennheiser PX 100 headphones.

They are not expensive, the sound is great, they are very light, and they fold up and pack away into their case...or straight into your pocket, purse or backpack.

In other words, you can use them for your PC or laptop, and for when you go out.

Best of all, this is not a new, unproven product. It can be fun, sometimes, to get out there and buy the latest and the greatest. But it can also feel good when you buy something that you know is going to do the job you want, and not break or fail in some way.

The Sennheiser PX 100 is almost unique in getting five start reviews from both the people who buy them and professional critics. Serious industry experts rate these headphones alongside brands like Gradoand Denon, which are the choices of professional musicians and audiophiles.

Because of their size and light weight, they make a perfect upgrade from earbuds when you're away from home.

One other thing...although they are pretty inexpensive, the PX 100 has some excellent padding on the headband, which is great for when you wear headphones for any length of time.

The Deal: Pay just $39.99 for Sennheiser PX 100 Collapsible Headphones.