Description: Ergonomic design, the guitar string trainer is easy to carry and convenient for you to practice. With a fine performance guitar string trainer can become the simplest and most effective tool for practicing guitar fingering, allowing you to practice more and quickly improve muscle memory. The old version has a noiseless one, and the improved version emits real guitar strings for a more realistic practice experience. Made of premium ABS, rosewood, and steel materials, the product is sturdy, durable, and lightweight. The length of the closed size is 10 inches, the width is 2 inches, and the height is 1.3 inches. The length of the open size is 17.7 inches, the width is 2 inches, and the height is 1.3 inches. It's great for beginners. Item Name: Pocket GuitarMaterial: Steel, Rosewood, ABSColor: Black, White Size Details:Closed Size: 10" x 2" x 1.3" (Approx.) Open Size: 17.7" x 2" x 1.3" (Approx.) Notes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. It's still not a real guitar, it's a chord practice tool. Package Included: 1 X Pocket Guitar