Donner Dynamic Vowel Guitar Effect Pedal

The 2-in-1 Guitar Pedal combines a passive volume pedal and expression pedal in one unit. It features automatic switching between volume and expression modes by detecting the input jack. This versatile pedal is suitable for use with guitar, bass, keyboard, synthesizer, workstation, controller, and more. Made of hard plastic casing, it is robust yet lightweight. No power supply is required; simply connect and enjoy! Note: This product does not come with a battery compartment.