adiya Swan Harmonica 24 Hole Polyphonic C Key ABDEFG 7 Keys Set Professional Tremolo Harmonica

brPure and beautiful sound quality Selected highquality Phosphor bronze alloy materials carefully polished and manually pinned springs make the harmonica have pure and beautiful sound quality brFull timbre Made of brass base plate different from stainless steel or aluminum base plate genuine material is only used for better timbre brAccurate intonation Both manual and calibration equipment are used to calibrate the harmonica A tuning instrument is used to calibrate the harmonica and manual tuning ensures the accuracy of the melody brDurable 304 stainless steel cover plate not easy to deform processed by complex cationic electroplating process not oxidized not faded with a smooth and textured surface making it a great gift or for personal use and collection brSafe and skincare friendly Resin material grille environmentally friendly and odorless healthy and safe brGood airtightness The sandwich structure is different from the traditional inlay method The seat plate is closely combined with the frame to enhance the airtightness and resonance of the harmonica