Smart one-button anti-whistle button Using multi-point frequency shifting technology, it can effectively suppress howling, and at the same time prevent the sound from collapsing, so that your singing is vivid and vivid.
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widely used Suitable for many occasions, such as: weddings, large and small concerts, bars, KTV, family parties, etc.
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Support U disk MP3 playback Equipped with U disk interface, plug and play, easy to operate.
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