TC Electronic POLYTUNE3 Polyphonic Guitar TunerAchieve Perfect Tuning with the TC Electronic POLYTUNE 3 Tuner Get in tune quickly and accurately with the TC Electronic POLYTUNE 3 Ultra Compact Polyphonic Tuner. This versatile tuner offers multiple tuning modes and a built in BONAFIDE BUFFER for preserving your tone. Key Features Polyphonic Tuning: Tune all strings at once for fast and efficient tuning. Chromatic Tuning: Lightning fast chromatic tuner with 0. 5 cent accuracy. Strobe Tuning: High