Amazon.com has a Plantronics DSP-400 Digitally-Enhanced USB Foldable Stereo Headset and Software for $40.94 with Free Shipping.
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- USB interface; 1-year warranty n
- Digitally enhanced noise-canceling microphone n
- Digital signal processor delivers the full spectrum of the human voice n
- Foldable for easy storage and transport n
- QuickAdjust microphone boom