The Bb version of the Hohner Marine Band Crossover Harmonica with Retail Box is designed for playing musical styles such as modern blues rock jazz soul and funk. It utilizes a laminated bamboo comb that is sealed to repel water and remain stable. The assembly screws together with a Philips head screw driver to keep the harmonica airtight improve output and provide an even frequency response that is suitable for both amplified and acoustic performances. It features Hohner's new classic reed profiles for longer reed life and improved frequency response. The channel openings and the reed plate edges are rounded to improve comfort while playing.The harmonica is made in Germany compatible with Marine Band Deluxe and Marine Band Thunderbird harmonicas and comes with a zippered neoprene carrying case designed to allow moisture to evaporate while protecting the instrument from dust.