- Ernie Ball FlexTune
The Ernie Ball FlexTune is a portable clip-on tuner suitable for guitar, bass and other stringed instruments.
+ Oversized 2" LCD screen
+ Vibrant display that is easy to read from any angle
+ Dual-axis 360 degree pivot arm for complete flexibility
+ Chromatic, guitar, bass, ukulele, & violin tuning modes
+ Selectable clip & microphone sensors