FM Condenser Microphone Headset! For Easily pairs to all kinds of FM supported devices such as speakers, megaphones, amplifiers, FM radio and car audio systems
Long FM wireless transmission distance of up to 30 meters, available channels of up to 225 with no signal interference, Transmission
frequency: 87.0 Mhz to 108Mhz
Widely compatible for teaching, tour guide, sale, speech, conference, karaoke and more