Guitar Chords Training Tool: Portable Guitar Neck for Trainer Beginner with built-in over 400 kinds of chords. A Rotatable Chords Chart Screen displays the most basic, common chords with precise finger positions. The 6 String 6 Fret design lets you practice more versatile scales and note combinations, helping improve finger dexterity and speed up your guitar progress. Genuine Strings: Pocket Guitar Chord Practice Tool is equipped with genuine steel strings that are plated to resist rust. String tension can be adjusted with the tool included in the package to suit your preference, optimizing your practice experience. No guitar-playing Sound: This chords trainer has no guitar sound while playing, enabling you to focus on finger sensitivity without environmental constraints. Silent practice is ideal for metro commutes or public places, so you can practice anywhere. Pocket Size & Lightweight: Pocket-sized and lightweight, it fits in a pocket or bag for convenient on-the-go practice. Start learning a new musical instrument wherever you are. 2-3 use scenarios: - Commuting on a bus or subway, quietly practicing chords without disturbing others. - Practicing at work or in a library, maintaining focus while improving fingering accuracy. - Traveling or at home, using the portable neck to reinforce chord shapes and scale patterns.