Bietrun Wireless Microphone with Echo/Treble/Bass, UHF 160ft Range, Dual UHF …
160 FEET LONG DISTANCE WIRELESS MICROPHONES: ●Built-in Newly designed UHF wireless core, transmission distance upgrade to 160feet (50M). ●Enhance Signal stability, No delay, No radiation, Anti-howling, Anti-jamming, Constant frequency.