Asus ET2221IUTH - Manual (Page 16)

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16 All-in-One PC ET22 Series
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USB 3.0 ports
These USB (Universal Serial Bus) ports provide a transfer rate of up to 5Gbit/s and are
backward compatible with USB2.0.
Headphone jack
The stereo headphone jack (3.5mm) is used to connect the system’s audio out signal
to headphones. Using this jack automatically disables the built-in speakers.
Microphone jack
The microphone jack is designed to connect to a microphone used for video
conferencing, voice narrations, or simple audio recordings.
Memory card reader
This All-in-One PC has a single built-in memory card reader slot that supports MMC,
SD, and SDHC formats.