Welcome brothers and sisters and all you have to YOUTOBE of Nguyen Vu AUDIO channel . Ken introduced all the karaoke or counseling and guidance devices use the latest karaoke . NATURAL SOUND WORLD VU permission được những introduce products like karaoke " Karaoke amplifier , karaoke , karaoke speaker , push local , micxer , karaoke microphone karaoke and many devices or mà Nguyen Vu ADUIO wholesale supplier retail on the market today .