TRIPROC Hands-free USB Corded Binaural Call Center Voip Communication Headset with Noise Cancelling Microphone and Volume Adjuster， for Computer， Skype， Webinar， Phone<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>150ohms speaker， to ensure the perfect voice quality. Noise proof microphone， to increase the voice clarity.</li><li>Compatible for the most telephones in call center. No need the installation driver， auto identify， support hot plug.</li><li>Comfortable wear， compact appearance， human engineering design， Can be uninterruptible using.The headset clip can be stretched freely and comfortable wear.</li><li>External volume control， up to 25 levels digital volume control for the headset speaker. External intelligent mute button with LED indicator.</li><li>Noise canceling microphone to reduce background noise and Acoustic Shock Protection circuit to protect your hearing.</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41TmlYwI2tL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51JwQAD8NyL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51kxx3-sEgL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41w91IbJeqL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41%2B7D4GFgpL.jpg" noproxy>