Why is my mic emitting an anoying sound.

[rekari]

I just got a new mic,but is emitting an anoying sound i dont have a sound card the mic is plugged in the motherboard.
here is a sample for the sound it makes www .mediafire .com/?riyjorjaijoo438 sorry for my bad english

 

[moresound]

What kinda microphone is it?

 

[moresound]

You should be using an audio interface that is connected to your computer via USB!

 

[rekari]

i use an omega free style and i lowered the mic boost to 0 still the same sound and its a 3.5mm jack not an usb mic