Bietrun Wireless Microphone with Echo, Treble, Bass & Bluetooth, 98 FT Range, Portable UHF Handheld Dynamic Microphone with Rechargeable Receiver, for Karaoke, Speaker, Amplifier, PA System sound They are TIA/EIA 568-C

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Bietrun Wireless Microphone with Echo, Treble, Bass & Bluetooth, 98 FT Range, Portable UHF Handheld Dynamic Microphone with Rechargeable Receiver, for Karaoke, Speaker, Amplifier, PA System sound They are TIA/EIA 568-CBietrun Wireless Microphone with Echo, Treble, Bass & Bluetooth, 98 FT Range, Portable UHF Handheld Dynamic Microphone with Rechargeable Receiver, for Karaoke, Speaker, Amplifier, PA System High Quality Wireless Microphone System 1. Use UHF technology, give you clearer sound quality, signal stability, no delay, anti howling, anti jamming. 2. Working range : UHF up to 98 ft, Bluetooth range is 32 feet 3. Portable Microphone: Operate all function on the