Plantronics Audio 648 Stereo USB Headset Product FeaturesDiscreet, low-profile design is perfect for video chatsSkype Certified for a better chatting experienceNoise-canceling microphone cancels noise, not your voiceAnswer and end Skype calls right from the headsetDigital Signal Processing scrubs static and kills echoProduct Description Plantronics .Audio 648 Stereo USB Headset is the perfect headset for video calls. Behind-the-head wearing style lets people see you instead of the headset. Easy to use, with intuitive inline volume, mute and call controls that let you answer and end Skype calls right from the headset. Digital Signal Processing works with noise-canceling mic to stop echo, reduce noise, boost voice frequencies and deliver crystal clear conversations. That's why it's earned special Skype Certification, assuring excellent voice chat. 24-bit hi-fi stereo HD sound pumping out of comfy foam ear pads make it a pleasure to stay on the call.From the Manufacturer Enjoy crisp, clear audio during your Skype calls with the Plantronics Audio 648 USB Stereo Headset. This Skype-certified headset features a noise-canceling microphone that ensures you are always heard loud and clear. Foam ear pads, inline controls, and a low-profile design help promote a comfortable, convenient VoIP internet-calling experience.