This looper is designed for guitarists, it can save what you last played when you unplugging the pedal. This means absolutely zero worries, as the music you have created stays stored and is ready to go when you need it - just jamming on ideas, rehearsal, live performance or studio with it.SpecificationsInput: 1/4Monaural Jack (Impedance: 470K Ohms)Output: 1/4Monaural Jack (Impedance: 100K Ohms)Power Supply: DC 9V (Plug polarity is Positive on the barrel and negative in the center )Working Current: 94mATrue BypassFootswitch:Push down the footswitch to toggle between on and bypass statuFits for guitar,bass,ukulele,chromatic and violin.Record/Playback stop/Overdub DeletHow to import the files to PC?Keep the looper connect with 9V power supply.Keep looper in SAVE MODE(Green LED on.NO Blinking status)Connect USB with looper and PC to upload or downloadNOTE:Only WAV audio file can be uploaded to the looper from the computer. Features: Looper Pedal10 mins of clear looping with unlimited overdubbing. FunctionsUndo / Redo/Delete function. Super precise, true bypass. 48Khz 24 bit uncompressed high quality audio. USB For UploadEasily Import/Export the music to and from PC, with USB for uploading and downloading. Solid Construction And Mini Size made of high-quality zinc alloy, durable and sturdy, mini size suit perfectly for your pedal board. 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 Chinese) 1 * Year warranty through our store No Duty to Canada and USA FAST 'N FREE USA Shipping (typically about 4 days via USPS ) 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.