Function: 1. This tremolo harmonica has 24 sound sounds, double-sided C and G key for professional performance. 2. The 18-hole design on the surface makes the sound more penetrating, and the double-row sound production of clear and melodic sound. 3 . Use thickened stainless steel plate, high hardness, double layer electroplating process, anti-corrosion, more beautiful surface. 4. It adopts phosphor bronze gongs, with good resonance and full tone, with proper penetration power, makes your game particularly relevant. 5. Thickened copper plate for damage, the structure is more durable, while improving tightness and performance. 6. The comb is made of resin, non-absorbent, can extend the time, durable and safe to use. 7. The cover, seat plate and resin comb are firmly fixed, not easy to loosen, and there are harmonicas. Specification: Item Type: 24 Hole Oral Harmonica Material: resin bronze phosphor stainless steel Color: Silver List of ingredients: 1 x harmonica1 x wipe cloth 1 x Instructor