Now you can answer the telephone without anyone recognizing your voice. Press a button and completely change your voice. There are 8 different voice changing settings. A man can sound like a stranger, a woman like a man, or a grandpa like a child. Will not work on cordless phones or phones with dialing buttons on the handset. Travels anywhere, measures just 5" x 3" x 0.5". Voice Changer 2 operates on 3 AA batteries and includes handset connector cable.