Plantronics 81961-01 .Audio 646 Digital USB Stereo Headset with Microphone for $9.99 shipped.  Here is a screenshot for your reference.  This headset has a digital equalizer and a noise-canceling microphone for crisp audio.  It also features behind-the-head design and soft-foam earpads for long-wearing comfort.  Most places have this USB stereo headset for about $40.