SHIDU Wireless Voice Amplifier Bluetooth Speaker 18W Waterproof Portable PA System with UHF Wireless Mic Headset Rechargeable Voice Enhancer Personal Microphone for Classroom Outdoors Tour Guide

SHIDU Wireless Voice Amplifier Bluetooth Speaker 18W Waterproof Portable PA System with UHF Wireless Mic Headset Rechargeable Voice Enhancer Personal Microphone for Classroom Outdoors Tour Guide

zdyCGTime 3.5mm Audio Male to Portable Headworn Microphone for Mic System,Voice Amplifier,Speakers,Teachers, conferences, speeches, Drama Performances, Tour Guides.(2pack-1M)