Feature: 1. 6 Universal chords: F. C. G. Am. Em. Dm. With these chords you can play more than 90% of the popular songs. 2. Easy to learn: Once the guitar learning system is properly connected to your acoustic or electric guitar, make your music! Start playing from the moment you attach it. 3. Easy installation: The training tool for guitar chords is easy to install in a clip. Press and hold multiple strings with one click. 4. Area of application: The guitar training aid (approx. 38" ~ 41" is suitable for all brands of folk guitars 5. Wide application: Suitable for adults or children, young or old, everyone can quickly and easily learn to play guitar. Specification: Material: ABS, metal shrapnel Size: about 14*8*5cm Net weight: about 85g Scope of application: all brands of folk guitar (38 inch ~ 41 inch) Package List: 1 x Chord Practice Tool 1 x User guide Note: Due to the different monitor and light effect,the actual color maybe a slight different from the picture color. Please allow 1-2cm differs due to manual measurement.