I am selling this pedal due to downsizing my board. There are no issues with its operation. It's in relatively good condition. I purchased it about 4 months ago and used it on my board. Velcro is attached to the back. The Electro-Harmonix BIG MUFF π is a bass effect pedal with versatile controls to enrich your tone. - Model Name: BIG MUFF π - Brand Name: electro-harmonix - Controls: Volume, Tone, Sustain - Output Jacks: 1/4 inch jack - Switch: Bypass switch Thank you for looking.