Compact pedal tuner with polyphonic functionality. - Model Name: pitchblack poly - Type: Polyphonic Pedal Tuner - Connectors: 1/4 inch jack - Design: Compact design This is the KORG Pitchblack Poly (PB-03). [Condition] - Operation confirmed (power on and tuning response OK) - Display shows no problems - Minor scratches from use - Velcro attached to the back (We can remove it before shipping if you wish) - Batteries and adapter are not included [Features] - Polyphonic tuner (tunes all strings simultaneously) - High-brightness 3D visual meter - True bypass - Compact size, easy to incorporate into a pedalboard Please understand that this is a used item before purchasing. No comment, immediate purchase is OK. Thank you for viewing.