USB-Powered Microphone - Black The AC-404 is designed to capture crystal clear speech intelligibility for Houses of Worship web conferencing court reporting and more with easy plug-and-play USB connectivity. Three microphone capsules in a surface-mount boundary design delivers an amazing 180 degree pickup pattern with a 25' range making it ideal for podiums conference rooms courtrooms and connected classrooms. The low profile design is now available in white and black and is designed to simply rest on any flat surface so it's both discrete and convenient for every day use.• Three capsules designed for broad 25' audio pickup in an 180? arc with high voice intelligibility• Easy plug-and-play connectivity for use with Mac and PC computers• Professional low profile design with durable all metal construction