Special features: - 4 live effects: normal, pitch modification, robot and echo - All effects are adjustable - Control the input and output levels to avoid Larsen effect - Transmit the modified audio signal to remote Airplay or Bluetooth speakers - Transmit the modified audio signal to your device speaker or headset - Continue using the effect and transmitting while the app is in the background If you have any question, issue or suggestion, just drop us an email at [email protected]. Check many other great iPhone and iPad apps, and hundreds of free and discounted apps at www.seb-appstore.com