Guitar effects pedal with various effects and loop functions. - Model Name: Flashback X4 - Color: Blue - Controls: Delay Time, Feedback, Delay Level, Loop Level, Tap - Connections: MIDI IN, Output, Input - Power: DC 9V Thank you for viewing. This is the famous Delay Flashback X4. I received it from a friend and used it, but I'm selling it because I don't use it much. Operation has been confirmed, and the switching is set to true bypass when the back panel is removed. There may be minor scratches that are difficult to see in the photos, and Velcro is attached to the back, so the appearance is somewhat poor. Please understand. If you have any desired accessories, please let me know in the comments or after purchase in the chat. I will accommodate you at no extra charge. Please choose one patch cable from the last photo (LL long/short, SL available). Also, although only the power patch cable is shown in the photo, there is a 9VDC power supply that can be used with this device, although it is not genuine, so please let me know which accessories best suit your environment. Instant purchase is OK. If there are any problems with the operation after purchase, I will accept returns, so please let me know. I will also consider price reductions within a reasonable range, so please feel free to comment.