The TOA Electronics PM-660U Desktop Paging Microphone is a high-quality microphone designed for office paging systems. With a sleek gray color and a small diaphragm size, this unidirectional microphone features a moving coil transducer for clear audio quality. It is equipped with an XLR 5 pin connector for easy connectivity and includes useful features like a push-to-talk function and on/off switch. This desktop microphone by TOA Electronics is perfect for professionals looking for a reliable and versatile microphone for their paging system needs.