What type of dog do you have

I own a Cavalier King Charles Spaniel, black and tan colored. The breed is mainly meant to be lapdogs (To sleep on you and keep you warm) and for rabbit hunting (Which is why their eyes are so wide). They are fairly calm dogs usually and like to sleep more than anything. Mine specifically is pretty shy around other people or strange places. Unfortunately the breed also has a history of having heart problems which isn't too good. However they are quite loyal dogs and will keep you company for years.