Using The Wi-Fi Dongle - Asus ProArt A1 E-Manual

Using the Wi-Fi dongle

The bundled Wi-Fi dongle allows you to project your mobile device's
screen or stream from your mobile device to your LED projector. The
setup process may differ slightly between Android and iOS mobile
devices.
Before setting up the screen mirroring or casting, ensure to (1) insert
the bundled Wi-Fi dongle correctly and (2) turn on the Wi-Fi on your
mobile device.
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LED projector E-Manual