Sound like you or someone new! The megaphone voice changer works like a microphone so you can confuse your friends or impersonate your favorite celebrity! Works with a variety of apps to record & alter your voice! Plug it into your phone, add your earbuds and download your preferred app to get started. No batteries required. Connects to any standard headphone jack. Recommended for use with: Celebrity Voice Changer (iOS, Android); Voice Changer with Effect (iOS, Android).