1. Solve the troubles of beginners: With display screen indicators and illuminated button prompts, it helps you remember chord pressing techniques. 2. Rotating Chart Screen: The display screen can be rotated 45 or 90 degrees. 3. Visual display screen: Clear chord display, easy to grasp 4. Compact and convenient: 1:1 replica guitar neck, compact body, and portable, solving the problem of large guitar volume and difficulty in carrying. 5. Easy operation: Multiple modes can be switched with one click, making the operation simpler. Upgrade Guitar Chord Trainer,ABS Portable Guitar Neck Chord Practice Tool for Beginner, Rotating Chart Screen,Silent Practice Chord Tool Silent practice: It does not make any sound and can be practiced anytime, anywhere without disturbing others. Colour:Yellow Material:ABS Package Contents: 1 * Electric Guitar Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.