Norwii
Norwii Voice Amplifier, Power Amplifiers, Portable Mini Wired Microphone Headset for Teacher classroom & Outdoor Lectures, Teaching, Tour Guides, USB-C Rechargeable - 2000mAh, White
TONOR
TONOR Voice Amplifier with Wireless Headset Microphone, 11h Duration Rechargeable, LED Display, Portable PA System with Wireless Mic for Teaching, Speech, Meeting,Performance,Tour Guiding K11
Giecy
Giecy Portable Voice Amplifier with Headset Microphone 30W Rechargeable Battery 2800mAh Powerful Sound System for Teachers, Guides, Coaches, Presenters
ResponseBridge
Bluetooth 5.0 Voice Amplifier with Wireless Mic Headset, Waterproof Personal Microphone Wireless Voice Amplifier, 20W Loudly Portable Megaphone PA System for Teachers, Safety Drills, Outdoors Indoors
SHIDU
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
ResponseBridge
Voice Amplifier with 2 Wireless Microphones, 5.0 Bluetooth Wireless Microphone and Speaker Set with Shoulder Strap-Powerful 25W Rechargeable Portable Personal Pa System for Teachers Meeting
SHIDU
Portable Voice Amplifier, SHIDU Personal Voice Amplifier 18W with Wired Microphone Headset Waterproof Bluetooth Speaker Rechargeable PA System for Outdoors,Teachers,Shower,Beach,Tour Guide
SHIDU
SHIDU Portable Mini Voice Amplifier with Wired Microphone Headset and Waistband, Rechargeable Personal Amplifier Supports MP3 Format Audio for Teachers Tour Guides Coaches Yoga Fitness Instructors
SHIDU
Voice Amplifier, SHIDU Portable Voice Amplifier Rechargeable with Wired Microphone Headset, 10W 1800mAh Supports MP3 Format Audio, Lightweight Amp for Teachers,Classroom,Coaches, Tour Guide,Speech