Microphones,Huiop Amplifier Uhf Mic Screen Uhf Headworn With Display Screen Professional Mic Uhf Headset Voice Amplifier Headset Professional Mic Set Voice Siuke Hm-200w Headworn Buzhi

Frequency modulation; Up to 40 units can be used simultaneously without crosstalk or interference. Built-in 400mAh Li-ion battery lasts for 6h operation. UHF technology with low power consumption, high anti-interference capability, and use distance up to 40m(without obstacle). Suitable for use with amplifiers or speakers in speech, teaching, tour guide, promotional activities, etc. Condenser microphone, high sensitivity, clear vocal.