In fact, no matter what birthday gift you give your boyfriend, the key is still the affection. As long as your heart is there, your boyfriend will like any gift you give him. If you want something that can be worn on his body, there are many options. Here are a few examples for your reference:
1. Personalized customized gifts, such as necklaces and lighters engraved with your name. Such gifts are more exclusive. You can engrave what you want to say on them. He can also carry them with him, which will be more romantic.
2. More practical things are also good, such as watches, portable razors, shoes, belts, ties, tie clips, clothes, etc. These things are more practical and can be carried or worn with you. Men will also like them very much.
3. Communication and office supplies are also good, such as mobile phones, computers, MP3s, etc. These things are updated quickly. You can give him the latest model on his birthday. I believe he will be very happy.