Wireless Voice Amplifier Bluetooth Teacher Microphone 18W Waterproof Portable Voice Amplifier Headset Mic Rechargeable Voice Enhancer Personal Microphone for Classroom Outdoors
HW HAOWORKS
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
WinBridge
NORWII S358 Portable 2000mAH Rechargeable Voice Amplifier with Wired Microphone Headset & Waistband, Personal Microphone and Speaker for Teachers Tour Guides ect (Black)
Norwii
Eacam Portable Voice Amplifier with Wireless Microphone Headset Waistband Portable Speaker for Teachers, Mini Pa System Personal BT Voice Amplifier for Teaching Classroom Meeting Training Tour Guides
Eacam