Voice Amplifier for Teachers,SHIDU PA System Speaker 18W Portable Megaphone (Work of 12 hrs) with Wired Mic Headset,Waterproof Ipx 5&Built-in Rechargeable 4400mAh Battery.for Teaching, Meeting&Speech
SHIDU
W WINBRIDGE 25W Wireless Voice Amplifier with Two Bluetooth Headset Microphones, High Capacity 8000mAh|Record, Portable Pa System Bluetooth Speaker and Microphone, Megaphone with Mic for Teachers S96
W WINBRIDGE
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
SANMIC
Bluetooth Speaker Wireless Portable, 50W Peak Powerful HD Sound, IPX7 Waterproof Shower Speaker with Deep Bass, Colorful Rhythm Light, Preset EQ, TWS,for Home/Travel/Camping/Party/Beach/Gifts (BT 5.3)
PoP voice