Feature:1. [Enhance Your Guitar Sound] This effect pedal adds a spring reverb effect to your electric guitar, providing depth and character to your music, enhancing your performances.2. [Functional Knobs] The reverb effect pedal features two functional knobs, the MIX knob to adjust the dry wet balance, and DWELL knob to control the bit reduction rate, offering great versatility in sound creation.3. [True Bypass Switch] The guitar reverb pedal adopts true bypass switch for 0 tone loss, accompanied by LED indicator to show the operating mode, enhancing usability and clarity of function.4. [Versatile Connectivity] The pedal features 1/4 inch mono jack for both input and output signals, making it compatible with a wide range of guitars and amplifiers.5. [Reliable Construction] Made from aluminium alloy, the guitar effect pedal is sturdy, long lasting and guarantees enhanced sound results for a superior audio experience.Specification:Item Type: Spring Reverb Effect PedalMaterial: Aluminum AlloySignal Input: 1/4 Inch Mono JackSignal Output: 1/4 Inch Mono JackPower: 9V DC Adapter (Not Included).Package List:1 x Spring Reverb Effect Pedal1 x Chinese and English User Manual