Fangrui Product Details High-grade: Wireless Microphone Systemadopts The Latest Wireless Uhf Frequency Transmission Technology, Realize The Transition From Wired Microphones To Wireless Microphones Without Affecting Changes In Sound Quality, Enabling A Wireless Transmission Range Of 100 Feet,it Supports Remote Volume Signal Adjustment And Allows For Remote Volume Control. Long Distance Transmission: Wireless Xlr Transmitter And Receiver Utilizes Ultra-high-frequency Uhf Transmission Technology,automatically Connect Upon Startup,providing Robust Anti-interference Capabilities And An Exceptionally Wide Frequency Response Range. Separate Transmission Channel For Each Device, Simultaneously Without Interfering With Each Other.ensuring Stable And Clear Sound Delivery To The Audio-receiving Device. Without Signal Loss And No Lag, Instant Fidelity, Drastically Pure The Tone, Delay Less Than 1ms. Support Multiple Devices: Xlr Wireless Transmitter And Receiver Works With Any Dynamic Microphone, Audio Mixer, Pa System. Is Suitable For Li