This portable Audio2000's UHF wireless microphone system is perfect for on the go! It comes with one AEM6014U Headset Microphone, One AWX6014U Wireless Transmitter, and One AWR6014U Wireless Receiver. It also have an power ON/OFF Switch and Headphone Output Level Control on the AWR6014U. Don't forget about the power LED Indicator, AF LED Indicator, and RF LED Indicator on the AWR6014U to help see in dark lighting. A rugged and Durable Casing for Heavy-Duty Professional Use and High Mobility!