How can I style my hair like this guy

Plz check this photos
1)


I have a same type of hair as the guy have.


2)



I want to have same hair style as the guy have in pic 2

so plz tell me how long my hair should be and what haircut and hair products I need to have same hair style

plzz some one answare me

I think you hair has to be curly, maybe hairspray it while it is wet?

my hair is exactly same as this guy.
but I dont know how long my hiar lengh should be and what hair product and hair cut i need