What to buy in Beijing?

Hey all:),I am new here and really a big fan of expat. My bro is going on a 3 day bussiness trip next week. Wanna take advantage of it and get smth really nice and not too expensive!
Based on your experience, what would you recommend ?

-Shahesta :)

For whom?

Gender?

Age?

For me , i'm 25.

I would go for a genuine blend of (air sucked) green tea .... :unsure