Item Type:Guitar Learning System Teaching Aid_x000D_ Material: ABS and metal 1Humanized design, one?key chord. Playing the guitar in his spare time, even with no basic knowledge. 2Six general chords can be directly pressed and learned quickly. The booster can play 90% of popular songs. 3In the learning process, the chord memory is converted into the color memory, which makes learning easier. 4Transparent material, you can clearly see the string corresponding to each chord. 5Guitar learning system teaching aid is guitar practice tools, suitable for beginner.1 x GuitarLearningSystemTeachingAid1 x Screwdriver1 xEnglish InstructionPlease note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.