With USB2.0 plug, plug and play, no software installation required.

Support Windows 98 and other new Windows editions.

With dual microphone active noise reduction technology to block out 99% of background noise.

High signal to noise ratio, low distortion, crystal clear sound.

With speaker volume controller and microphone mute function.

Microphone mute indicator (Red) and working indicator (Blue).

With cable clip to fix the adapter on the desk.

With P-QD or G-QD, widely compatible with almost all call center headsets.