There is no email address but you could try the chat: o2.de/chat

Or you can explain your issue here and maybe someone can help you.

I order a phone with buds but the buds didn't come on the package.

Just want to know if they Will send me the buds or i can go to the shop pick up them.

Was ist a special offer? Which phone? You probably have to register your purchase and they will be sent to you by the promoter.

Hello @White widow,

welcome to our o2 community!

Would you like to answer @bs0's question? That would be very helpful in finding a solution.
Or have you perhaps already received support elsewhere? Feel free to give us feedback.

Kind regards
Jessica