Congratulations on your little boy, please post a face shot so we can see the complete package! He is so tiny! Welcome to the site and don't be afraid to post, we have a LOT of experience to help you.
He is so cute. I have a ginger boy too. They are the best! If he isn't already, be sure to get him neutered before he picks up bad habits (spraying). I got my cat at around 16 weeks and he was already neutered and I have never had an issue with him.