This guitar exerciser is a perfect tool for finger placement exercises. Features: - Built-in rotatable screen with chord display to help guitar beginners and students develop muscle memory for chords. - Equipped with real strings to assist in practicing chord formation. - Adjustable string tension using included tools for personalized comfort and improved playability. - Built-in metronome allows users to practice at their preferred tempo. - Compact and portable design, ideal for practice anywhere. - Silent operation with no noise or interference, making it convenient for regular use. Specifications: - Material: ABS, wood, electronic components - Battery: CR2032 (not included) - Package size: 300 x 60 x 45mm / 11.81 x 2.36 x 1.77in - Package weight: 240g / 8.46oz Note: 1. Due to differences in display screens and lighting, the actual color may vary slightly from the images. 2. Battery is not included and must be purchased separately. Package List: - 1 x Chord Exerciser - 1 x Hexagonal Wrench - 1 x Cloth Bag - 1 x User Manual