Brand new in the box. The MXL AC-404 USB Conference Microphone is a high-quality audio conferencing device designed for professional use. This microphone is perfect for conference calls, podcasts, and other audio recording needs. It has a sleek black color and a handheld/stand-held form factor, making it easy to use and transport. With a built-in headphone jack and USB connectivity, this microphone is perfect for on-the-go use. The MXL AC-404 is a single unit conference microphone that is suitable for microphone use. It is a unit type device that is perfect for business and industrial use, particularly in the office setting.