1With guitar strings can be replaced, and the tension of the strings can be adjusted, convenient to use. 2The mini guitar has 6 frets, can use to practice chord and scale. 3Great for hands training and improve your guitar play skills. 4Lightweight, easy to carry and practice. 5Good guitar training tool, convenience and practicality. Features: 1.With guitar strings can be replaced, and the tension of the strings can be adjusted, convenient to use. 2.The mini guitar has 6 frets, can use to practice chord and scale. 3.Great for hands training and improve your guitar play skills. 4.Lightweight, easy to carry and practice. 5.Good guitar training tool, convenience and practicality. Specifications: Material: Metal + plastic+ wood Color: As picture shown Size(length*width*height): Approx. 26*5*3.3cm/10.2*2*1.3in Packing List: 1*Chord Trainer 1*Carrying Bag Note:Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.