Blues Harmonica, Key of C, 10 Holes, 20 Tones A professional-quality blues harmonica with phosphor bronze reeds. High-quality materials: Crafted with a phosphor bronze spring and a 1mm thick copper plate for a clearer sound. Made with food-grade, non-toxic ABS resin and nickel-plated metal, safe for children. Excellent C harmonica: Features 10 holes and 20 tones, compatible with blues, folk, pop, jazz, country, and rock. Can be played with guitars, violins, and other instruments. Perfect for all skill levels: Ideal for advanced players, children, and adults. A unique gift idea. Protective case included: Comes with a sophisticated case for protection and easy transport. Enjoy music anytime, anywhere. Compact and portable: Small and exquisitely designed, streamlined, compact, lightweight, and easily pocketable. Suitable for stage performances, classes, travel, family time, and social gatherings. Exquisite craftsmanship: Smooth surface, easy to blow into all holes. Stable structure, excellent gas permeability, minimizes moisture absorption, resulting in a cleaner, fuller sound. Each harmonica is carefully tuned and tested to ensure the best sound quality.