Maintain high quality audio for your speaking engagements with this shock mount microphone holder. It eliminates unwanted feedback for clear, crisp sound. Exclusive rubber interior absorbs vibrations and more, resulting in superior acoustics. This item is an affordable solution to subpar audio performance. Exclusive designed microphone holder screws onto gooseneck to hold microphone . With a built in feedback eliminating feature . Microphone not included . Rubber inside absorbs acoustical feedback