In the name of God, the Most Gracious, the Most Merciful Peace, mercy, and blessings of God be upon you A boy's voice changer and a man's voice, and it has other sounds like a gun sound, like this. But a note: The mixer must have a microphone to work, any microphone, not a specific microphone. If the mixer doesn't work, contact me and I'll refund your money. Used Delivery is available, but for a small fee