WinBridge Wireless Voice Amplifier with Bluetooth Lavalier Lapel Microphone for Teachers,Portable Speaker and Wireless Clip On Microphone System, Mini Megaphone Speaker Mic Set 15W 2600mAh WB005 WB005N industryDE Product Specifications:Material: High speed steel

Product Specifications:Material: High speed steel 6542 (M2)Thread size: M12Pitch: 1

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WinBridge Wireless Voice Amplifier with Bluetooth Lavalier Lapel Microphone for Teachers,Portable Speaker and Wireless Clip On Microphone System, Mini Megaphone Speaker Mic Set 15W 2600mAh WB005 WB005N industryDE Product Specifications:Material: High speed steelWinBridge Wireless Voice Amplifier with Bluetooth Lavalier Lapel Microphone for Teachers,Portable Speaker and Wireless Clip On Microphone System, Mini Megaphone Speaker Mic Set 15W 2600mAh WB005 Product Features Say Goodbye to Voice StrainWB005 Bluetooth amplifier with a wireless lapel microphone, designed for those who value clarity and portability. With a powerful 15W output, this speaker ensures your voice is heard loud and clear, with no