This wireless microphone adopts advanced UHF anti-jamming chip, which can effectively block noise and restore good sound quality. The wireless microphone system is equipped with four pure copper core antennas, the signal reception is more stable, and the anti-interference ability is strong. 416 adjustable channel frequency, it make avoid most signal interference. The signal coverage is wide, and the effective operating distance in open space is up to 260 feet. Moreover, the four-day antenna can be retracted freely without taking up space, which is convenient for storage and carrying. This microphone system automatically pairs the frequency when it is turned on, and the receiver actively tracks the frequency point. Stable connection even over long distances. In addition, the handheld microphone has an FM function, and you can switch the frequency point by pressing the FM key. The operation is simple and convenient, no matter the novice or the proficient can use it with confidence. The wireless microphone system uses an energy-efficient design with up to 6 hours of battery life. And there are a variety of microphone combinations for you to choose from, suitable for a variety of occasions. For example: speeches, conferences, churches, etc.