Feature:1. FOR THOSE WHO GIVE UP GUITAR: This is for those who give up the guitar because of finger pain, humming of the strings, or the need to grow finger cocoons when directly plucking the strings2. MORE THAN 110 CHORDS: Come with 18 buttons, more than 110 chords are available, including all basic chords of C, D, E, G, and A guitar keys3. PERFECT AND CLEAR TONE: You will produce a perfect and clear tone, which is difficult to achieve when you rub the strings without sound4. IMPROVE CHORD CONVERSION EFFICIENCY: Chord learning tools can help you do hand postures and practice hand muscle memory. Improve the efficiency of chord conversion and make playing more smoothly5. FOR GUITAR LOVERS: Suitable for guitar lovers, beginners and everyone, also can be given as a gift to your family and friendsSpecification:Item Type: Guitar Chord ChangerMaterial: PlasticColour: BlackScope of Application: Folk guitar (38in ~ 41in).Package List:1 x Guitar Aid1 x Chord Chart6 x Rubber Band1 x Installation Drawing