Fold 4 Pen Fold Edition Stylus S Pen Replacement for Samsung Galaxy Z Fold 4 5G Touch Screen Stylus Pen with Tips/Nibs (Beige)

Hello. I am trying to use the pen to open up side bar and also in samsung notes and it does not work. Not what i expected. How do i make it work prope

How do you charge the pen?

why is this cheaper? is this version different than the official $50 s pen?????

Does this work with the fold 3?