Mosky B-Box Preamp Overdrive Electric guitar preamp overdrive effect pedal for guitar players. 4 functional knobs(Gain/Volume/Bass/Treble) for adjust the performance of the overdrive effect. True bypass footswitch for switching between chorus effect and bypass status. LED light for indicating effects or bypass status. Full metal shell and compact size, durable and portable. Specifications: Input: 1/4" monaural Jack Output: 1/4" monaural Jack Power Supply: DC 9V AC adapter (center minus plug)(not included) Note: Power supply not included. Please use a 9V DC power adapter whose polarity is negative center otherwise, the product may not work properly. Package List: 1 * Effect Pedal 1 * User Manual(English ) 1 * Year warranty through our store No Duty to Canada and USA FAST 'N FREE USA Shipping (typically about 4 days) Ships from Canada *Just to be clear on DUTY, (regardless of what warns buyers of ) Canada and the USA have a trade agreement in place that allows US citizens to purchase/import up to $800 dollars per purchase in to the United States from Canada with NO Duty at all, State taxes are another story, some states charge a TAX some do not, BUT NO duty.