Folk Musical Instrument: Beautiful sound quality jew's harp folk instrument. Very easy to play Material: Jaw harp made of copper material, smooth, sturdy, and professional Exceptional Sound Quality: The Yi Nationality mouth harp is a high frequent overtone instrument that combines blowing and plucking. The intensity of the plucking, changes in breaths intake, size of the flow, variations in mouth shape, and tongues curvature all contribute to the overtone effect and amplification. However, the fundamental tone remains constant. This instrument produces a crisp and resonant sound Complex Playing Techniques: The playing techniques primarily involves using the thumb for back and forth plucking while complex rhythms and fast melodies require the use of the index finger and middle finger as well Ideal Gift: Professional instrument for kids, adults, music lovers, professionals, or beginners Specification: Material: Copper Size Chart: Length7cm/2.76inch Package Includes: 1Jaw Harp