Misty (LittleSax - Little Sax - Simple type of saxophone, Like Xaphoon, pocket Sax)

LittleSax - A simple type of Saxophone. The mouthpiece of LittleSax is the same as alto sax, sax reed used. I&LittleSax inventor and manufacturer. I like music very much. but I am not a music professional. This playing level is limited, I hope to get some suggestions. Thank you! 谢谢!