TC Electronic PolyTune Clip Poly Tune technology - tune all 6 strings simultaneously Chromatic ( +/- 0.5 cent) and extra accurate strobe ( +/- 0.02 cent) modes Ultra-bright and easy to read adaptive display - ensures a perfect readout no matter what orientation Clip is attached Flat tuning and capo modes Elegant yet durable design, with high-quality stainless steel clip