Needs new battery. This JOYO Mini Tuner JT-11 is the perfect addition to any musician's gear. With its compact size and easy-to-read display, tuning your instrument has never been easier. Designed for use with guitars, basses, and other stringed instruments, this tuner accurately measures the pitch of your strings and displays it in real time.

The JOYO JT-11 is a reliable and durable tuner that is sure to last through many gigs and practice sessions. Its simple interface makes it easy to use, even for beginners. Whether you're a professional musician or just starting out, this tuner is a must-have for anyone looking to keep their instrument in tune.