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Amazon.com: Pyle UHF Wireless Microphone System Kit - Portable Professional Cordless Microphone Set with Headset, Lavalier, Beltpack Transmitter, Receiver - Karaoke & Conference : Musical Instruments
Conference System Professional WiFi Wireless Microphone Gooseneck Speaker Microphone Digital Discussion - China Conference System and Wireless Microphone price | Made-in-China.com