4 CHANNEL PRO RECHARGEABLE WIRELESS MICROPHONE SYSTEM: ZERFUN GT-200 UHF Wireless Microphone System Professional that comes with four handheld metal cardioid rechargeable microphones and metal receiver box with with Independent Volume Control, 4x50 Adjustable Frequency, 1 8, 1 4, XLR Output. Perfect for home karaoke, meeting, party, church, DJ, wedding, and much more.HANDHELD CORDLESS MICROPHONES: ZERFUN Rechargeable Wireless Microphones with independent Volume, ECHO, Treble, BASS, Channel Control. They are well-made metallic cardioid wireless mics which means they pick up noise unidirectionally(Only when we speak towards the top of the microphone will there be a sound, while there will be no sound when speaking on the side). With this pickup pattern, the directional vocals are easy to isolate from background noise.VERSATILE OUTPUT: The devices and the chassis for the receiver are made from metal. The receiver has balanced 4 XLR outputs (one for each channel) and one mixed 1 4-Inch, one mixed 1 8-Inch output of all channels, making them more versatile, usually the receiver needs to be plugged into another device, such as an audio INTERFACE, an amplifier, or a mixing board.TRANSMISSION RANGE amp; BATTERY INFO: This ZERFUN Wireless Microphone System can support up to 200 feet range, 50 compatible frequencies on each channel(4 X 50) for interference-free reception. The UHF frequencies range within 500 - 599 MHz, are compliant with the FCC regulations. Each microphone use built-in rechargeable battery. Microphone Working Time: 10-12 Hours(When full charged).PACKAGE LIST: ZERFUN Rechargeable Wireless Microphone x 4; GT-200 Receiver Box x 1; Power Adapter x 1; 6.35mm to 6.35mm Cable x 1; 3.5mm to 3.5mm Cable x 1; Audio Cable x 1; Microphone Charging Cable x 2; Microphone Windscreen x 4; Antiskid Ring x 4; User Manual x 1. Genuine ZERFUN Wireless Microphone products come with supportive 24-Hours After-Sales Customer Service, 12-Month Manufacturer Assurance.