This special harmonica enables the player to make the tremolo sound which is especially popular for ballads, gospel and folk music. Features 16 double hole with 32 reeds. Made of wood and plastic mateiral. On the surface of harmonica have flowers pattern to attracting attention. Comes out a pretty clear sound, enjoy music at anytime and anywhere. A portable musical harmonica tool to outside class outdoor travel etc. A great gift for yourself and friends. Not suitable under 3 years.