Ukulele Chord Changer,Ukulele Aid Learning System Teaching Aid for Beginner Ukulele chord Changer is suitable for music lovers who are interested but have no time to practice. The operation is simple and convenient,enjoy the music feast. This is a great Ukulele accessory that can not hurt your when you learn Ukulele quickly. The Ukulele learning aid is designed with stable structure, universal fit, suitable for various Ukulele types. Practical Ukulele learning system teaching aid, features and portable, easy to carry and use. Color: Black Material: ABS Package Contents: 2 x Ukulele Chord Changer 2 x English Songbook Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.