This is a PolyTune 3, a multi-function tuner with TRUE BUFFER functionality. - Model: PolyTune 3 - Feature: TRUE BUFFER - Brand: tc electronic Thank you for viewing. Purchased new about two years ago, it's in generally good used condition. Functionality has been confirmed. The item is as is. 3M Dual Lock fasteners are attached to the back. The Barefoot cap will also be included.