TC Electronic PolyTune Mini Polyphonic Tuning Pedal "Ultra-small Footprint "" Will Fit on Any Pedal Board PolyTune "" Tune All Strings Simultaneously +/- 0.5 Cent Tuning Accuracy True Bypass w/ Silent Tuning Super-bright LED Display Up to 5 Semitones Flat Tunings Drop-D and Capo Tuning" PolyTune AfAAasAA...aoe Tune All Strings Simultaneously +/- .5 Cent Tuning Accuracy True Bypass w/ Silent Tuning Super-bright LED Display