Asus X455WA E-Manual page 19

Audio speakers
The built-in audio speaker allows you to hear audio straight from
the Notebook PC. The audio features of this Notebook PC are
software-controlled.
Random-access memory module compartment
This compartment allows you to add RAM (random-access
memory) modules to increase the memory capacity of your
Notebook PC.
Air vents
The air vents allow cool air to enter and warm air to exit the
Notebook PC.
WARNING! Ensure that paper, books, clothing, cables, or other
objects do not block any of the air vents or else overheating may
occur.
Notebook PC E-Manual
19