The Voice Changer is a small and portable device that can be used to change your voice in real time. It has 7 different sound effects, including man to woman, woman to man, little girl, baby, magic voice, deep voice, and optimus prime. The Voice Changer can be used with any mobile phone, computer, tablet, PS4, or game console. It is very easy to use, simply plug it in and play. No drivers or software are required.