Passive Volume Control/Expression Control 2 functions in 1 Pedal. Automatically Detect the Functionality (Volume or EXP Control). Working with Guiar, Bass, Keyboard, Synthesizer, Workstation, Controller, etc. Working without Battery or Pedal Power Supply. Lightweight & Comact Design for easily Taking it Anywhere.

Analog circuit design, 2 functions in 1 pedal- passive volume and expression pedal. Automatically detects and catchs output source (EXP/Vol) objective. Made of hard plastic lightweight casing but very robust and well made. Smooth taper responds to various parameters with precision. Works without battery or pedal power supply, extensive range with guitar, bass and other musical instruments. NOTICE：This product does not come with a battery compartment.

140 Built-in Guitar/Bass/Acoustic Effects with 45 Legendary Amp Models and 40 carefully selected IR Cabinet Simulations, 24-bit 44.1kHz Signal Processing 100 Built-in Drum Rhythms and 90 Seconds Looper, 198 Presets, Adjustable Signal Chain with Maximum 9 Simultaneous Effect Blocks Powerful HD Digital Modeling System delivering Organic Living Tone, 3rd Party IR Support (20 User Slots) for creating Custom Unique Sounds USB Audio Interface with Stereo Audio Streaming, Support OTG function for directly Connecting to iOS/Android Mobile Devices Multi Language User Interface (Hardware) with Free Mac/Windows Software for Sound Editing and Presets Managing

[Analog Delay Pedal] Reproduces the warm and natural classic vintage analog delay sound. [Flexible Delay Pedal] 20ms to 620ms of delay time. Adjustable delay level and feedback. [Durable Guitar Pedal] Aluminium-alloy classic, stable and strong. [True bypass] True bypass provides transparent tone. LED indicator shows the working state. Notice: Power supply is NOT included. Runs on 9V DC.

130 Built-in Guitar/Bass/Acoustic Effects with 40 Legendary Amp Models and 38 carefully selected IR Cabinet Simulations, 24-bit 44.1kHz Signal Processing 100 Built-in Drum Rhythms and 90 Seconds Looper, 198 Presets, Adjustable Signal Chain with Maximum 9 Simultaneous Effect Blocks White-Box Digital Modeling Technology Delivering Organic Living Tone, 3rd Party IR Support (15 User Slots) for creating Custom Unique Sounds USB Audio Interface with Stereo Audio Streaming, Support OTG function for directly Connecting to iOS/Android Mobile Devices Free Mac/Windows Software for Sound Editing and Presets Managing