Boss TU-01 Clip-on Chromatic Tuner

Key Features

• 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