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HW HAOWORKS 18W Wireless Bluetooth Waterproof Voice Amplifier Portable Headset Microphone with Speaker Small Personal Microphone for Teachers, Outdoors
POWERFUL Microphone and Speaker The portable voice amplifier comes with a WIRELESS headset microphone. UHF wireless transmission technology, stable wireless connection at open area. The uhf wireless voice amplifier gives you complete freedom to walk around the room. Super 18W output, Sound covers 10000 sq.ft (1000 ㎡), Allows you to project your voice across a group of 20 to 65 people clearly and loudly. Ideal for MEDIUM-SIZED or SMALL room use. RECHARGEABLE Headset Speaker The personal voice amplifier lasts a long time (8-12 hours); but wireless headset microphone lasts only 2-4

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Price: $87.65