Among the hottest iPod accessory categories….higher quality earphones. Bloomberg Boot Camp, a report on today's technology. All digital media players come with earphones….which you can get by with for a little while. But for the sake of comfort and sound quality…lots of consumers opt for an upgrade. That has meant higher sales for companies like Bose, Sony and Shure. Shure product manager Sean Sullivan says for iPhone owners, there's a whole new product. The Music Phone Adaptor…

"We've got our headphones in, listening to the music, a phone call comes in…click the button…now we're hearing the phone call through the earphones, talking through the microphone. When the call is done, press it again, ends the call, it brings the music back up." And you can use your own high quality earphones? "Exactly. It works with all of our earphones. It works with any earphones with a 3.5 millimeter stereo jack."

The price, about 39 dollars. Earphones are extra and can run anywhere from 70 dollars up to 500. Sullivan says iPod and iPhone owners are willing to spend the extra money…

"They're starting to realize, that it doesn't matter how much you spend on your music, if you don't listen to it through some decent speakers, it doesn't matter."

You can find more information including a demonstration of how to use earphones, at Shure…s-h-u-r-e.com. You can find us on the Web with an archive of reports at Bootcamp.com. Bloomberg Boot Camp, I'm Fred Fishkin.