BenQ JOYBOOK S72 - Manual (Page 8)

Joybook S72 Features 4
Right Side View
Earphone Jack (with SPDIF)
Can be used to connect to an earphone/headset or external
speaker for playing Joybook audio. DVD & CD-RW Combo/DVD-Dual/DVD Super-Multi (Optional)
Supports multi-functional optical module for reading music CDs,
VCDs and DVDs or burning CD-R/CD-RW or DVD+R/DVD+RW or
DVD-R/DVD-RW or DVD-RAM (Optional) discs. Discs can be
inserted/ejected by pressing the small ejection button on the drive.
MIC IN
Can be used to connect to a microphone for recording sounds.
If you wish to open the disc tray when your Joybook power is off,
or it can't be opened using the ejection button, insert a pointed
object into the tray ejection hole next to the ejection button to
force open the disc tray.
USB Port
For connecting peripherals such as mice, digital cameras and
MP3 players that use the USB interface. Kensington Lock Hole
You can attach a Kensington-type lock and cable to this hole to prevent
theft.