The Ernie Ball Flex Tune is a portable clip-on tuner suitable for guitar, bass, and other stringed instruments. Featuring an oversized 2 in. LCD screen, the Flex Tune provides a large vibrant display that is easy to read from any angle. This is complemented by the tuner’s dual-axis 360 degree pivot arm for complete flexibility to position the display to your liking. The Flex Tune also features Chromatic, Guitar, Bass, Ukulele, and Violin tuning modes as well as selectable clip and microphone sensors.