1The reed adopts highquality phosphor bronze tone spring, accurate tolerance ratio, clear pronunciation and bright tone 2The base plate adopts 1.2mm thickened pure brass plate, which increases the vibration of the reed and the sound is more loud. 3The surface of the base plate is electroplated to prevent the saliva from corroding the copper plate and extend the service life. 4This harmonica body is made of ABS resin material, the color is transparent and bright, and the water resistance is good 5The key of the harmonica is on the left side, so you can see the key at a glance, and learn harmonica better