Wraparound USB Stereo Headset With Microphone 43-00081 Gigaware's Wrap-Around USB Headset provides greater clarity for IM voice chat applications, gaming, music and VoIP. In-line controls are convenient and easy-to-use. The mic boom has a rotation angle of 180 so it can be positioned where you prefer. Stereo USB headset for VoIP/Skype applications, IM chat sessions Noise-canceling microphone for precise speech input In-line volume control and microphone mute switch Frequency response: Headphone: 20-20,000Hz Mic: 100-16,000Hz Sensitivity: 122db  3dB