I will answer my own post since my C pen arrived today. It looks just like a pen but has a rubber tip.
If you are coming from a Galaxy Note and expect the S memo app to be in the same ball park, do not. It is not even close to the WACOM S pen that the Note uses. I does allow you to scroll the screens and select apps etc but when I wrote with in in the S memo app it is quite grippy so you do not get the smooth writing of the S pen. It is a big more choppy (I need to figure out the optimal angle to hold it) I tried to jot some notes and it skipped around quite a bit. I will play around with some more to try and gett the hang of it.
If you are thinking you may get close to a Galaxy Notes functionality, I do not see that happening.