Men are generally more rational. For your boyfriend's birthday gift, I suggest you choose some creative and novel items for him. It's best to choose according to his usual preferences and personal needs. Hehe. You can take a look at the following suggestions.
Personalized customized chocolate: It's not only boys who give chocolate to girls. Chocolate represents sweet love. You can customize a personalized chocolate for your boyfriend. You can choose the pattern and shape of the chocolate yourself.
Personalized real-life dolls: Personalized real-life dolls are a very popular way of giving gifts nowadays. You can go to a special gift shop to make a pair of real-life dolls based on your boyfriend's real-life photos. Haha, the shape is better to be funny.
Fun sun jar: This jar can convert light energy into electrical energy using the principle of photoelectric conversion. It will emit warm light in a dark environment. It is very warm to put it on the desk at night. Your boyfriend will definitely like it.