This vocal effects unit offers simple operation and enhances vocal and sound balance, brightening them and providing more accurate pitch correction! This item was used by my family in the past and has been stored in a dark place recently, but it still functions correctly! As it is a used item, please carefully review the photos and understand that it is sold as-is, with no returns accepted! - Adaptive Tone Automatically adjusts EQ, compression, de-esser, and gate to match the song, always creating the optimal vocal sound! - Pitch Correction Auto-chromatic (chromatic scale) pitch correction naturally corrects the pitch of the singing! - Anti-Feedback Detects and automatically removes feedback, maintaining stability on stage! - Adaptive Gate Prevents noise and feedback from the microphone when not singing? - Expandability Can be connected with other VoiceTone series pedals to build more complex effect chains! - Mic Control By using a TC-Helicon MP-75 or MP-76 microphone, you can remotely control the pedal's on/off, etc.! The items in the photos are all that are included!