The wireless uni-directional microphone with filter is of high sound quality while reducing background noise, having no hum or crackle noise.Comes with UHF receiver with 6.35mm plug, compatible with speaker, kraraoke system, home theater system, amplifier, sound card, mixer, etc.Wide application, perfect for karaoke, speech, meeting, stage performance, outdoor wedding, classroom, etc.Working distance of the wireless microphone is up to 50 meters, offering you great freedom of movement while using.Plug and play, easy, quick and convenient to use.The wireless uni-directional microphone with filter is of high sound quality while reducing background noise, having no hum or crackle noise.Comes with UHF receiver with 6.35mm plug, compatible with speaker, kraraoke system, home theater system, amplifier, sound card, mixer, etc.Wide application, perfect for karaoke, speech, meeting, stage performance, outdoor wedding, classroom, etc.Working distance of the wireless microphone is up to 50 meters, offering you great freedom of movement while using.Plug and play, easy, quick and convenient to use.