Sennheiser HD280PRO Headphones (old model) Type: Over-Ear, Closed-Back Sound Isolation: Up to 32 dB Attenuation Frequency Response: Extended Range for Warm, Natural Sound Design: Ergonomic, Lightweight with Padded Earcups Cord Length: 3.3 m (9.8 feet) Coiled Cable Weight: 1.0 Pound Dimensions: 8.0 x 4.0 x 7.0 inches Color: Black As a reviewer with many years…

HaoWorks Portable Lightweight Mini Voice Amplifier and Wired Headset Microphone with Speaker for Teachers 10W Rechargeable Wearable Personal PA Loudspeaker for Instructor,Tour Guide,Classroom Power Output: 10 Watts Microphone Type: Wired Headset Microphone Battery Life: Up to 10 hours per full charge Charging Time: 2 to 3 hours via USB cable (adapter not included) Connectivity: Bluetooth…

Portable Voice Amplifier Wireless & Wired Headset Microphone Speaker Mini Lightweight Personal Classroom Mic for Teachers Supports AUX Input,Bluetooth 5.0,Recording – S278UHF Brand: HW HAOWORKS Model: S278UHF Wireless Voice Amplifier Power Output: 15 Watts Coverage Area: Up to 10,000 sq.ft (1000 ㎡) Microphone Types Included: Wireless headset & wired headset, wireless handheld 2-in-1 Connectivity: Bluetooth…

18W Voice Amplifier Portable Microphone and Speaker Set,Personal Speaker with Wired Mic Headset & Waistband,Wearable Waterproof Mini Pa System,Megaphone with Mic for Teachers,Classroom,Outdoor Speech Output Power: 18 Watts Coverage Area: Up to 10,000 sq.ft (1,000 ㎡) Battery Life: Up to 12 hours per full charge Charging Time: 3-5 hours Microphone Type: Wired Headset Microphone (non-Bluetooth)…

Voice Amplifier, Portable PA System with Wireless Headset Mic & Speaker, 40W Bluetooth Portable Microphone and Speaker for Teachers, Public Speaking, Events, Hands-Free Megaphone with Strap – S98 Power Output: 40W Crystal-Clear Sound Wireless Technology: UHF Wireless Headset Microphone Coverage Area: Up to 20,000 sq ft Connectivity Options: Bluetooth 5.3, TF Card, USB, AUX, Dual…

Voice Amplifier with 2 Wireless Microphones, 70W Portable Bluetooth Speaker with Mic, Small PA Speaker System, Karaoke Machine for Teachers, Public Speaking, Events, Singing – S100 Pro Power Output: 70W Wireless Microphones: 2 Handheld with 4 Sound Modes Connectivity Options: Bluetooth 5.3, USB, TF Card, AUX, 6.35mm Mic Input Battery Life: Speaker up to 6…

Portable Microphone and Speaker Set, 70W Wireless Voice Amplifier with 10H UHF Handheld Mic, Guitar Input, Metal Bluetooth PA System for Teachers and Presentations S100 Power Output: 70 Watts Wireless Microphone: UHF Handheld Mic with 10 Hours Talk Time Battery Life: 6 Hours Playback with Rechargeable Battery Connectivity: Bluetooth, Guitar Input, USB-C Charging Material: Durable…

Voice Amplifier with Wireless Microphone & Speaker – Portable Mini Bluetooth PA System with Handheld Mic, 30W Ultra-Light Rechargeable Megaphone for Teachers, Speech & Outdoor Events – S93 Pro Power Output: 30W Wireless Microphone Type: UHF Handheld Bluetooth Version: 5.3 Audio Inputs: Bluetooth, USB, TF Card, AUX, 6.35mm Jack Coverage Area: Up to 20,000 sq…

Voice Amplifier with Wireless Microphone & Speaker – Portable Bluetooth PA System, 30W Ultra-Light Rechargeable Hands-Free Megaphone for Teachers, Tour Guides & Outdoor Events – S93 Power Output: 30 Watts Wireless Microphone Type: UHF Wireless Headset Microphone Bluetooth Version: Bluetooth 5.3 Audio Inputs: USB, TF Card, AUX, 6.35mm Jack Weight: 2.2 pounds (Ultra-Light) Battery Type:…

18W Wireless Bluetooth Waterproof Voice Amplifier Portable Headset Microphone with Speaker Small Personal Microphone for Teachers, Outdoors Output Power: 18 Watts Wireless Range: Up to 15 meters (50 feet) Battery Life: 8-12 hours (amplifier), 2-4 hours (wireless headset microphone) Connectivity: Bluetooth, Aux input, TF Card, U Disk Water Resistance: IPX5 (amplifier only) Coverage Area: Up…