How to operate? please check this video for reference:https://www.youtube.com/watch?v=GSU1-7143yk&t=326s

About Rowin Company
Rowin music is the professional manufactures for guitar pedal with 8+ years experience. We are the supplier for most sellers on Amazon.
Rowin is aim to develop top quality pedal but come at an affordable price which everyone can get involved with.
Buying from Rowin you will be guaranteed with more reliable quality and more professional after sale service.

About This Looper
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.

Specifications
1.Input: 1/4?Monaural Jack (Impedance: 470K Ohms)
2.Output: 1/4?Monaural Jack (Impedance: 100K Ohms)
3.Power Supply: DC 9V (Plug polarity is Positive on the barrel and negative in the center )
4.Working Current: 94mA

How to Use This Looper Pedal?
It is incredible easy to use, click the button, and the red light comes on which means it's recording, click again, and the light turns to green and the loop starts playing. To add the next layer, click again and the light goes red for record. To delete, just click and hold the button for 3 seconds and the light flashes.

How to import the files to PC?
1.Please download the program from here "http://www.rowinmusic.com/en/col.jsp?id=122"
2.Keep the looper connect with 9V power supply
3.Keep looper in SAVE MODE(Green LED on.NO Blinking status)
4.Connect USB with looper and PC to upload or download
NOTE:Only WAV audio file can be uploaded to the looper from the computer

Includes:
1*Pedal
1*USB Cable
1*User manual(English & Chinese)
NOTE:Power adapter is NOT included in the package