NORWII Wireless Voice Amplifier with UHF Wireless Microphone Headset, 10W 4000mAh Portable Rechargeable PA System Voice Amplifier Wireless for Teachers, Meetings, Promotions and Outdoors (Black)

【Wireless Voice Amplifier】 Amplifies your voice and saves your throat when you have a difficult time speaking loudly enough. Delivering 10w clear and soft sound to cover about 10000 sq.ft (1000 ㎡). Wireless microphone is suitable for public speaking.
【 Wireless Speaker with Two Microphones】Amplifier with two microphones, UHF wireless microphone and wired microphone. Wireless Microphone Frequency Range is 657.5 - 662.5 MHz.
【Rechargeable Wireless Speaker】Wireless portable voice amplifier built-in a 4000mAh battery and can be used continuously for about 16-20 hours.The wireless microphone can be used for about 6 hours. Higher volume than other wireless personal amplifier.
【Multi-function Personal Amplifier】Support bluetooth connect, and support TF card, USB disk play, AUX-in, support MP3, WMA, WAV files, support cycle play. Computer speaker function, it can transmit audio through USB port.
【Lightweight and Portable Public System】Personal voice amplifier is 0.56lb, it's Very suitable for activities with a population of over 50 people, like teaching, meeting, training, tour guide, singing, square dance, sales promotion, outdoor activities, etc.

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