1. This harmonica is a 24-hole standard polyphonic harmonica, It is suitable for professional performance competitions. Its sound is sweet, accurate and pure. 2. Thick plated seat plate, multi-point support, tightly combined with the piano to a good sealing of the harmonica, increase stability and durability. 3. The piano is made of ABS resin, safe and skin-friendly, environmentally friendly and healthy. Each water chestnut is finely ground and not easy to wear, ensuring a comfortable taste. 4. Select the phosphor bronze sound yellow, the pronunciation is sharp, the sound quality is clear, the sound is full, the sound of the piano is like a bird of the spirit, poured into your heart. 5. Soft classic and aesthetic design, chrome-plated thick metal back, workmanship fine printing art pattern, the atmosphere has texture. Applicable scene: music instrument, dance movement Cover material: stainless steel plating Sound hole material: ABS resin Specification: 184*29*23MM/7.2in*1.1in*0.9in Sound range: 24-hole standard polyphonic range type:QM24A-12 colour:black Material:metal Package Contents: 1 * harmonica 1 * wipe cloth 1 * instructions 1 * box sets Only the above package content, other products are not included. Note: Light 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.