Boss TU-02 Clip-On Tuner
Bright Color Display with Adjustable Viewing Angle
With a bright color display, swivel adjustment, and four selectable modes, the versatile TU-02 offers reliable tuning for guitar, bass, ukulele, and other stringed instruments.

• Compact and accurate clip-on tuner with high-contrast color display
• Four tuning modes: chromatic, guitar, bass, and ukulele
• Up to 24 hours of continuous runtime with CR2032 lithium battery
• Auto power off feature conserves battery life when not in use

Specifications

Tuning Range

A0 (27.5 Hz)--C8 (4,186.0 Hz

Reference Pitch

A4 (430--450 Hz)

Tuning Accuracy

+/- 1 cent

Modes

CHROMATIC / GUITAR / BASS / UKULELE
Flat Tuning: Regular--2 semitone lower

Control

POWER/M (mode) button
A4 button
Flat button

Display

Backlit color LCD

Power Supply

ACR2032 lithium battery x 1

Current Draw

7.5 mA

Expected battery life under continuous use

Alkaline: Approx. 24 hours
*These figures will vary depending on the actual conditions of use.

Auto off function

Approx. 5 minutes

Accessories

Owner's Manual
CR2032 lithium battery