BOYA BY-GM18C is a cardioid condenser gooseneck microphone. It's an ideal choice for lectures, conferences and meetings. With excellent cardioid polar pattern,the BY-GM18C can clearly capture the voice in front of the mic ,designed to procide clear and intelligible speech reproduction for lectures,video conference, meetings,and more. The BY-GM18C's shaft features upper and lower gooseneck sections that enable you to precisely position the capsule in front of the speaker for optimal sound.The mode switch at the bottom of the mic base allows you to switch freely in your modes:ON/OFF,MUTE,TALK and ON,Talk/mute status is clearly indicated by the LED indicator on the mic base.The BY-GM18C can be powered by 48 Phantom power.