Description: chart display: This pocket guitar has a display function that you can correct your mistakes in time. With metronome: There is a metronome inside the device that learners can learn any chords rhythm at will. Lightweight and pocket size: It can be placed in a pocket or bag, allowing you to practice chords . Built-in metronome: With the built-in metronome, players can learn chords at a custom speed. This is a quiet practice tool that does not require the sound of guitar playing, so you can't tune or play it like a real guitar. Rotatable screen, when we put more than 400 kinds of chords into the IC, the screen can display accurate The most basic universal for finger position. Very suitable for improving finger flexibility and speeding up the progress of guitar playing. Its purpose is to improve the sensitivity of the fingers without environmental restrictions. If you practice in the or public places, please don't disturb anyone. Allows you to practice anywhere: car, airplane, office, school, dining table. Equipped with genuine guitar steel strings help guitar learners to get muscle memory, and the tension of the strings can be adjusted. Specification: Material: Plastic Color: Black Package Includes: 1x Pocket Guitar Note: Transition: 1cm=10mm=0.39inch Please allow slightly 0-1cm difference due to manual measurement. Colors can appear different depending on light and how the listing is viewed. Thanks for your understanding and attention. Wish you a pleasant shopping experience!