They passed through the air-conditioned offices of Vista Food Exchange, where salesmen wearing phone headsets took orders for rump roasts and rib-eye steaks.

I went to the office on the holiday to take advantage of my phone headset.

Now it has set its sights on mobile phone headsets, a niche dominated by Plantronics.

Everybody had a computer terminal and a phone headset, and they were all talking at once, like at a stockbroker's.

Bluetooth has made some inroads in this sector, but mainly for wireless phone headsets.

At the request of a potential commercial customer, engineers from Gennum tested their noise-reducing, Bluetooth-transmitting mobile phone headset, the Nxzen, at a steel mill.

Getting stuck in traffic used to bother him, but "the kind of phone headset they have now has changed my life," he said.

In his office, Ari watches four TV screens at once, practices his golf putt and, of course, livesin his phone headset.

And with its integrated microphone, you can make the call hands-free and without that dorky phone headset.

With just too firm a click, Ms. Olson turns off her phone headset and types "vulgar, rude" in the computer log.