JMI Digital Chromatic Tuner

FEATURES:

Model #: JMI ET-17
Color: Black 
Format: Clip-on
For: Guitar, Bass, Ukulele & Violin
Frequency: 430-450Hz
Flat Tuning: Guitar（♭、♭♭) Bass（♭）
Includes: 
1 Tuner
User Manual
Lithium battery 3V (CR2032)