What are the two circles next to the speaker?

[kalldrexx]

On the front of the phone, if you look very closely to the left of the speaker you will see two circles. Does anyone know what they are?

I imagine one is a light sensor. Not quite sure what the other is. Just curious

 

[proof2006]

On the front of the phone, if you look very closely to the left of the speaker you will see two circles. Does anyone know what they are?

I imagine one is a light sensor. Not quite sure what the other is. Just curious

ambient light sensor and proximity sensor