Features: Mute Button: one key to switch between live and mute. Smart Noise Reduction: adopts with gain control technique to smartly recognize ambient sounds and filter out the unnecessary noise. 3.5mm Headphone Jack: you can listen to the accompaniment or hear yourself while talking and singing. USB Desktop Microphone: use a traditional USB port, just plug and play, easy to operate. Sponge Windscreen: the wind guard help to prevent against the ambient sound being pick up. Excellent Sound and Quality: nice for daily meetings, gaming sessions, broadcast, song recording,