The Mini Ego Compressor is a standard mini-sized compressor pedal recognized as the industry standard for compressor pedals in America. It brings a new level of control to the mini-format controls that today's guitar players expect. It provides natural compression, like a vintage tube amp, which other compressors don't have. When designing the Mini Ego Compressor, the focus was on maintaining dynamics and ensuring the pedal didn't color the tone at all. By incorporating blend, you can blend the original signal to achieve a studio-class compression feel. Velcro is attached to the back. Comes with the box. I am selling it because I have switched to a multi-effects unit.