BenQ Joybook S33 Series User Manual page 11

Use the optical drive to access data on various kinds of discs and
enjoy movies or music.
Connect an earphone to the audio output socket to output
sounds.
Connect a microphone to the microphone input socket to
record sounds.
Insert a Memory Stick, Memory Stick Pro, SD, or MMC
memory card following the direction indicated on the card to
exchange files.
Getting started 7