Features: Excellent Audio Clarity Built in high performance chip can effectively block noise and eliminate, Offers crystal clear voice capture on meetings calls, great noise reduction technology. Built in speaker.  Quick MuteΜte 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,for Mac OS 7 or above.  Best Using Range:3-5m;  Input:5V/500mA;  Colour:White + Gold / Black + Gray;  Material:ABS;  Size:8x1cm, cable length: 200cm;     Package Contents: 1 * USB Conference Microphone;  1 * usb cable;  1 * User manual