What is the port on MBP?

[TheBritishBloke]

Next to the sleep light indicator on the uMBP, what the heck is that? It isn't the kensington lock, as that's next to the superdrive.

 

[Nautigar]

Hi, I think it is the infrared receiver for the Apple Remote.

 

[WildCowboy]

It's the sensor for the Apple remote (sold separately).

 

[celticpride678]

The IR Sensor for the Apple Remote.