This professional voice converter allows you to change the sound when using the phone.
It allows you to change the tone of your voice, so that other people at the other end of the phone can not identify who you are.
Small business owners can also use it to pretend that they are a telephone receptionist.
Of course, you can use it to make the best prank.
Change your voice up to 14 levels Using a single 9-volt battery A Velcro can be attached to the phone's microphone Output volume control