Bluetooth input; USB/TF; 15W 12 inch bass + horn piezoelectric tweeter; 12V3A battery; with 15V2A adapter; wireless hand microphone two (260.7; 267.7MHz); two wired microphone; independent adjustment of high and low sound; microphone volume,  Independent reverberation adjustment; 3.5 line input; external 12V power supply; speaker colorful lighting; black full English

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