Strange red dot

I literally just got my Fx30 two hours, and when I turned on focus peaking I saw this red dot.

I took a small peak at my sensor with my phone flash light and saw some crap on the sensor. I blew it off, but it’s still there. Is my sensor damaged already? If so, what should I do?

I literally just got my Fx30 two hours, and when I turned on focus peaking I saw this red dot.

I took a small peak at my sensor with my phone flash light and saw some crap on the sensor. I blew it off, but it’s still there. Is my sensor damaged already? If so, what should I do?