Question I have a small M.2 slot, is it bluetooth?

[v3ggi]

Hey, I am upgrading my pc, and while I was removing the ssd and cpu, I noticed that i had a small m.2 slot. It was like half the size of the normal ssd slot. I think it is bluetooth. Can someone help me?

 

[Zerk2012]

What motherboard some have a M.2 slot for WIFI cards.