Purchased about 10 years ago, I used this at the time but it's been stored in the closet recently. The switch wasn't working well, so it has been repaired and replaced. Velcro is attached to the back. A guitar effects pedal that combines reverb and delay. - Brand: EarthQuaker Devices - Model: Dispatch Master - Controls: Reverb, Mix, Time, Volume - Connections: In, Out - Design: Illustration of a telephone - Condition: Used Thank you for looking.