The Philips USA Boundary-Layer Conference Microphone is engineered to fit any digital conference recording system. Easy to use and install it is a 360-degree sound pick-up microphone with superb quality for optimum recording. Its recording range can be extended by connecting up to six additional microphones. The Philips USA Boundary-Layer Conference Microphone has built-in wire storage and an adapter plug and requires no stand. Enjoy revolutionary and reliable boundary layer design technology at your next conference.