With Plantronics Audio 400 DSP USB Computer headset, you get a foldable, stowable full range stereo headset that works with your computer's USB port. In addition to full-range stereo sound, the headset features a noise-canceling microphone and Digital Signal Processing technology to deliver crystal clear conversations. The headset features two 28mm speaker drivers that deliver 20Hz to kHz response. It also features inline volume controls and mic mute controls. whether you are using a VoIP program, listening to music, or watching an listening to DVDs, this headset is an excellent and highly portable addition to your computer set up
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