Asus PU401LA - Manual (Page 21)

Notebook PC E-Manual 1
Left Side
Kensington® security slot
The Kensington® security slot allows you to secure your
Notebook PC using Kensington® compatible Notebook PC
security products.
USB 2.0 ports
These USB (Universal Serial Bus) ports are compatible with USB
.0 or USB 1.1 devices such as keyboards, pointing devices, flash
disk drives, external HDDs, speakers, cameras and printers.
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.
Memory card reader
This built-in memory card reader supports SD and MMC card
formats.