The Guoguang C-tune harmonica features a rectangular design with dots carved on both sides. The wholesale reference price is 9.6 Yuan per piece, with a minimum order quantity of 1 piece or more. Each box contains 100 pieces. The Guoguang C-tune harmonica is suitable for use in family and school settings. It is made of high-quality iron material, mainly in silver color, and is simple to learn, which can be used to relieve study and work pressure. The Guoguang C-tune harmonica is suitable for performance, competitions, and gift giving. It features characteristics such as corrosion resistance, anti-falling, and long life. It is packaged in a paper box with a clever design and is convenient to carry.