Function: 1. The reed uses a high-quality phosphor bronze spring with an accurate tolerance factor and has the characteristics of a phosphor bronze reed. 2. The pronunciation is clear, the sound is clear, the tightness is good, which allows you to maintain a solid structure and good tightness. 3. The base plate uses a 1,2 mm pure brass base plate, which increases the vibration of the reed, the sound is louder and fuller. 4. The surface of the base plate is galvanized to prevent corrosion of the brass plate by saliva and prolong its service life. 5. The harmonica frame is made of ABS resin, which is transparent and bright and has good water resistance. There are four “DO” sound positions on the harmonica’s lips. Ultrasonically welded 4 white H-shaped parts to quickly identify the main position of the sound. 6. Tonal marking on the left, tonal marking on the left side of the harmonica, which allows you to see the tone at a glance and get to know the theory of music better. Specification: Item Type: Oral Harmonica Model: KS -24P Reed Material: Phosphor Bronze Base plate material: brass 1,2 mm Cover Material: Tigold Stainless Steel Plate Comb Material: ABS Resin Color: Black/Gold (Optional) Key: F key / F# key (optional) List of packages: 1 x Oral Harmonica Bag 1 x Folding Fabric 1 x Chinese User Manual 1 x harmonica