Bulit with HD Powerful speaker, this karaoke microphone has 3D surround stereo sound. Meanwhile, pressing the "Magic" button, your voice switches freely between male, female, baby and monster voice. The karaoke microphone has a vocal removal function. You can adjust the sound of vocals in the music being played by using the "Accompaniment" button. t's a great novelty to liven up a house party. Let's sing hearts out and show your potential. Also the best gift for birthday & holidays.