Features 1. Guitar chord presses are designed to help beginners overcome common challenges such as string difficulties, inaccurate sound, and fatigue, enhancing their learning experience. It can help users quickly master chords and playing patterns, making it easier to play popular songs. 2. The guitar chord trainer has an automatic chord transition function, allowing users to switch between chords with just one button press. This makes practicing chord changes more efficient and enjoyable for novice players. 3. The one click chord function allows users to effortlessly play various chords without complex finger placement, enhancing the learning experience for beginners. 4. This guitar chord trainer improves the efficiency of chord transitions, helping users practice hand posture and muscle memory for smoother and more accurate playing. 5. Compatible with most 38 inch and 41 inch acoustic guitars, making it a versatile accessory for guitar learners of all levels. Specification Material: Plastic Product size: 15.5 x 8.8 x 6 cm Packaging size: 16 x 9.5 x 8 cm Weight: 190g Package Include: Chorder x1