1. Reduce finger pain: the guitar learning tool has a circular button design to eliminate the pain of fingers pressing the string. Keep your fingers comfortable in the early stages of learning guitar.  2. Promote chord learning: each color of the chord guitar learning system represents a chord. Play a specific chord by pressing the button of the corresponding color. A key method for Guitar beginners is to make it easier to understand and remember guitar chords.  3. Durable materials: the one key chord of guitar beginners is made of durable plastic materials with smooth contact. The soft rubber on the clip prevents the chord tool from slipping off the guitar.  4. Suitable for quick learning: Guitar partner is a quick learning tool for those who want to acquire guitar playing skills in a short time. Anyone, young or old, can play a beautiful song with chord tools.  5. Prepare for long-term competition: fingering is the same as traditional fingering, which will not affect your finger technical foundation. Use this tool as a learning booster and Master Guitar playing in the future.    Product size: 8 x 8 x 4.4cm  Guitar aid net weight: 95.6g  Applicable crowd: Guitar beginners  Material:plastic  colour:black    Package Contents:  1 * Chord AIDS  1 * Pick clip (Random color, don't accept the specified color)  7 * 0.96mm Celluloid guitar pick (color and style random, Does not accept the designation)    Only the above package content, other products are not included.  Note: Light shooting 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.