BOSS TU-01 Clip-On Chromatic Tuner


Renowned BOSS tuning quality in an affordable clip-on tuner

Features Chromatic, Guitar, Bass, and Ukulele tuning modes

Convenient reference pitch function (A=440 Hz)

Runs for up to 25 continuous hours with a CR2032 lithium battery

Auto off function to preserve battery life when the tuner is not in use