Use this spooky voice changer to scare your friends this Halloween! The accessory features a small black box with a speaker that requires 3 AA batteries (not included). A clip in the back of the speaker fastens easily to your belt or any sturdy piece of fabric. The speaker has 3 settings: monster, alien and own. A cord with an attached microphone fits easily into your mask. Disguise your voice just like Ghostface does!