Boss TU-30 Metronome Tuner

Pro BOSS Tuner and versatile metronome in one Supports chromatic tuning, guitars, basses, and flat tuning Metronome features multiple rhythm styles and visual display Instrument input for tuning electric guitars, basses, and other instruments Built-in mic for tuning acoustic instruments Convenient Ace-Pitch function sounds a tone when you’ve reached the correct pitch Reference pitch function makes it easy to verify tuning by ear Runs on two AAA batteries