They they are the circuits.
Yes.
Next , please. And um like uh we have uh designed uh before we have seen some uh few things like  instead off buttons we have some scrolls. Uh b but a b a push-button requires a simple chip underneath it , but whereas a scroll wheel requires normally a regular chip which is a higher price range. Like for s scrolls we have to go for a sophisticated and and k uh  uh uh full  a complete chip.
Okay.