Photo 1 of ***system shows the volume has function, but need connect with speaker for full function test. Microphone 1.5V AA batteries not include*** Wireless Microphone System: Metal Dual Professional UHF Cordless Dynamic Karaoke Handheld Mics Set, Auto Connect - L

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Photo 1 of ***system shows the volume has function, but need connect with speaker for full function test. Microphone 1.5V AA batteries not include*** Wireless Microphone System: Metal Dual Professional UHF Cordless Dynamic Karaoke Handheld Mics Set, Auto Connect - LPhoto 2 of ***system shows the volume has function, but need connect with speaker for full function test. Microphone 1.5V AA batteries not include*** Wireless Microphone System: Metal Dual Professional UHF Cordless Dynamic Karaoke Handheld Mics Set, Auto Connect - LPhoto 3 of ***system shows the volume has function, but need connect with speaker for full function test. Microphone 1.5V AA batteries not include*** Wireless Microphone System: Metal Dual Professional UHF Cordless Dynamic Karaoke Handheld Mics Set, Auto Connect - LPhoto 4 of ***system shows the volume has function, but need connect with speaker for full function test. Microphone 1.5V AA batteries not include*** Wireless Microphone System: Metal Dual Professional UHF Cordless Dynamic Karaoke Handheld Mics Set, Auto Connect - L