The Blackmore Pro audio BMP-50 single Channel VHF wireless microphone system is a VHF wireless microphone system that includes a receiver with high-gain antenna and a handheld dynamic microphone with an on/off function. The system has a range of approximately 164 ft. And is battery powered. Lightweight, versatile, and capable of reproducing a wide range of sound clearly and distortion free Makes this system ideal for basic public address as well as musical performances.