10 minutes of clear looping with unlimited overdubbing. Undo / Redo/Delete function. Super precisely, true bypass. 48Khz 24 bit uncompressed high quality audio. Easily Import/Export the music to and from PC, with USB for uploading and downloading. Very easy to use, one key to achieve almost all of functions. Made of high-quality Metal, and sturdy. Input:1/4Inch Monaural Jack (Impedance: 470K Ohms) Output:1/4Inch Monaural Jack (Impedance: 100K Ohms) Power Supply:DC 9V (Plug polarity is Positive on the and negative in the center) Working Current: 94mA True Bypass Footswitch: Push down the footswitch to toggle between on and bypass statu Fits for guitar,bass,ukulele,chromatic and violin. Record/Playback stop/Overdub Delet How to import the files to PC? Please download the program from our offical website Keep the looper connect with . Keep looper in SAVE MODE(Green LED on.NO Blinking status) Connect USB with looper and PC to upload or download NOTE:Only WAV audio file can be uploaded to the looper from the computer. NOTE:Please be noted the Power supply is not included. Colour:Green Material:Metal Package Contents: 1 * looper pedal 1 * USB Cable 1 * English instruction manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.