Details: Using unique high-speed sound transmission technology, the sound is clearer, no feedback, low distortion, low noise. Makes the vocals are more prominent and true. Wireless Headset & Lavalier--Headset microphone fits securely for active speakers and vocal performers.Lavalier microphone with included tie clip offers low visibility and hands-free use, for Houses of Worship in a church preaching, videos,and classroom and presentation applications.Directional pickup, cardioid directivity suppresses unwanted noise. The included windshield can also reduce popping, wind and breathing sounds.The transmitter with LED display can display battery status, channel and other information.Plug & Play, you can insert the wireless headset/collar microphone into of the transmitter, and then plug the wireless receiver into any 6.35mm(1/4'') ,such as mixer, active speaker, amplifier or karaoke machine. Specification: