STURDY BUILD & MUTE FUNCTIONMetal UHF wireless receiver and handheld microphone are designed to last, suitable for heavy use. Bodypack is built with high-quality components. Both handheld and bodypack are equipped with a MUTE function for your convenience. The system comes with a solid carrying case for safe transportation. 30 ADJUSTABLE FREQUENCIES: State-of-the-art circuitry design with 30 adjustable frequency groups for this cordless mic set in 500MHz band, allowing up to 30 units to use at the same time without interference. You can also enjoy the freedom of changing frequency if preset frequency failed. Operating distance is up to 200ft in open space line of sight. STABLE WIRELESS PERFORMANCE: High quality cardioid capsule and improved circuitry design can capture sound and transmit smoothly without dropouts, hiss, or feedback, delivering robust, clean, and stable sound quality, ideal for applications like church, weddings, public speaking, instruction, conference, and outdoor events. BOX CONTENT: 1 x carrying case, 1 x UHF wireless receiver, 1 x user manual, 1 x power adapter, 1 x 1/4 audio cable, 1 x UHF wireless mic, 1 x UHF bodypack, 1 x headset microphone, 1 x lapel microphone, 2 x antenna, 4 x AA batteries. Welcome to come to us for troubleshooting or replacement of discontinuous/defective parts.