It makes of high frequency technology that wireless microphone has more stable signal. Tamper-proof, 0 delay! ⭐Unidirectional Microphone: Built-In Professional Moving-Coil Unidirectional microphone core, when uses, the mouth should be close to the top of the microphone to loud voice for Conference, Speech, Outdoor, Church, Family Party, Open Ceremony, Dancing Instructor, Promotion,educational settings.
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