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 experiencenoise canceling microphone for clear conversationsthe plantronics audio 648 usb stereo headset uses a combination of audio enhancing technologies to