We are the inventor and the ONLY manufacturer of this instrument. We mainly promote this portable instrument, because its a well-designed instrument. It has beautiful appearance and high quality. I think its a classic pocket sax. After a period of practice, you can make it sound more like a real saxophone. We hope this reed instrument can bring you happiness! The instrument has sold tens of thousands worldwide since its launch in the summer of 2018. We provide after-sales support. This instrument is very suitable for gift giving, because its easy to learn Saxophone after learning it. The skill of blowing mouth on the mouth is the same as that of saxophone, because it also uses the middle tone Saxophone flute head. The timbre can be said to be extremely similar. I didnt know I thought it was saxophone. Add a musical pleasure to your life.Please rest assured to buy.