Asus V550CM - Manual (Page 19)

Notebook PC E-Manual 19
Right Side
Headphone output/microphone input combo jack port
This port allows you to connect your Notebook PC to amplified
speakers or headphones. You can also use this port to connect
your Notebook PC to an external microphone.
USB 2.0 port
The USB (Universal Serial Bus) port is compatible with USB 2.0
or USB 1.1 devices such as keyboards, pointing devices, flash
disk drives, external HDDs, speakers, cameras and printers.
Optical drive electronic eject button
Press this button to eject the optical drive tray.
Manual eject hole
The manual eject hole is used to eject the drive tray in case the
electronic eject button does not work.
WARNING! Use the manual eject hole only when the electronic
eject button does not work.
Kensington® lock port
The Kensington® lock port allows you to secure your Notebook
PC using Kensington® compatible Notebook PC security
products.