This device is the Zoom G2.1u, a multi-effects pedal for electric guitar. Key Specifications and Features: Effects Variety: The device features 54 different types of effects, including Delay, Reverb, Modulation, and Distortion. Expression Pedal: It has a built-in expression pedal that can be customized to control various functions like volume or Wah. USB Interface: It includes a USB port that allows connection to a computer for use as an audio interface for direct recording. Performance: It operates with the ZFX-3 processor, which provides high processing speed to ensure smooth transitions between patches. User Presets: It allows storing up to 40 user-customizable and editable presets.