I'm selling this because I no longer have a use for it. It's a beautiful item that has hardly been used. Velcro is attached to the back. The multi-function effector NANOCORTEX allows for sound creation with its abundant control knobs. - Model Name: NANOCORTEX - Function: Effector - Control Knobs: GAIN, BASS, MID, TREBLE, AMOUNT, LEVEL - Switches: EXIT, CAPTURE, SAVE - Bank Display: BANK LED indicator - Connection Terminals: I, II Thank you for looking.