· A plastic device loaded with dry powder drug

· Multi-dose Reserved DPI

· Breath-activated: the drug would be automatically released in a very small dose upon inhalation.

· The enhanced delivery mechanism facilitates the drug's optimal deposition in the small airways, thereby augmenting its therapeutic efficacy and minimizing potential adverse effects.

· Inspiratory resistance range 0.03 to 0.05（kPa·s/L）