Part of the ProCon series, the AC-404 USB is a high quality capsule microphone that dramatically improves voice quality on conference calls. Ideal for people who rely on free or subscription internet conferencing services such as Skype, the AC-404 conference mic uses boundary microphone technology and built-in custom circuitry to produce smooth, quiet, and professional sounding conferences, no matter where you are. · High-quality USB boundary mic for Web conferencing · Excellent for offices and conference rooms · Standard jack for headphones or speakers · 180-degree coverage for great sound over a wide range · Compatible with any computer (Mac or PC)