[Excellent Audio Clarity]Built in high performance chip can effectively block noise and eliminate echo,Offers crystal clear voice capture on meetings calls, great noise reduction technology.Built in speaker. [Quick Mute&Mute Button]The conference microphone with mute button,quickly mute/unmute by one press of the mute button,which is very convenient for online meetings and distance education. [360 OMNIDIRECTIONAL & HIGH SENSITIVITY]The microphone can catch the slightest 360 signal, make sound clearer and smooth like talking face to face. It can pick up your voice from 10ft away, better than the traditional computer microphone. [Portable Design]Compact portable design,it is about the size of a small hand's palm,so it stays perfectly on the conference room table without taking too much space.Just put the conference microphone into your pocket or briefcase. [WIDELY APPLICATION]Online meeting,business conference and negotiation,video/audio chat,skype,gaming and more.It is an excellent solution for anyone who needs to make video conferencing,record office meetings in the conference room/meeting room. Specification Computer System: Compatible with Window,Mac OS 7 or above. Best Using Range: 3-5m Input: 5V/500mA Colour: Black + Gray Material: ABS Size: 8x1cm, cable length: 200cm Package Contents: 2 x USB Conference Microphone 2 x usb cable 2 x English manual Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.