Feature:1. Vintage overdrive effect pedal possess mellow, mild, smooth and simply exquisite, also has good sustained sound effect2. Three knobs are separately used to adjust the degree of distortion (drive knob), adjust the volume of sound (volume knob), and adjust the strength of the tone (tone knob)3. Aluminum alloy casting with fine finished surface and stylish appearance. Powered by DC 9V adapter, convenient to use4. Come with True Bypass designs, which minimizes tone loss to realize the original sound of your guitar5. LED can visually indicate the working status of the guitar pedal, equipped with standard 1/4 inch input and output socketsSpecification:Item Type: Guitar Effect PedalModel: JDF-10Main Material: Aluminum alloyInput Impedance: 500K OhmsOutput Impedance: 10K OhmsRunning Current: 7mAPower Supply: DC 9V Adapter(not include)Size: Approx. 9.1 x 3.2 x 4cm / 3.6 x 1.3 x 1.6in, 1.9cm / 0.7in, 1cm / 0.4in.Package List:1 x Guitar Effect Pedal1 x User Manual