The Plantronics Audio 478 Stereo USB Headset is a Skype certifiedproduct that is just the thing for Internet calls. The foldable designmakes it highly portable without sacrificing the audio clarity. ThePlantronics USB headset comes with a travel pouch for stowing yourheadset securely during travel. It features a 24-bit hi-fi stereooutput which is digitally equalized for a clear HD audio experience.This folding USB headset with digital signal processing (DSP) andnoise-cancelling features allows you to make crisp and clear calls.In-line controls for volume, microphone mute and the call functionsmake life simpler. This noise-cancelling microphone headset is lightweightand has foam ear pads for added comfort.