Bluetooth 5.3 voice amplifier with wireless microphone, personal wireless amplifier for teachers, 40W portable megaphone system loud for classrooms, speeches,

SANMIC Bluetooth 5.3 Voice Amplifier with Wireless Microphone Headset,Personal Wireless amplifier Mic for Teachers,40W Loudly Portable Megaphone Pa System for Classrooms,Speeches,Outdoors Indoors-S98

SANMIC 15W WB003 Personal Voice Amplifier for Teachers with Wired Headset Mic,Small Portable Microphone,2600mAh Rechargeable Megaphone Mini PA Bluetooth Speaker System for Classroom -Teacher Gifts