LG CineBeam PU700R Owner's Manual page 70

Using a Gamepad
Connect your gamepad to the USB port on the projector if the game requires a
gamepad.
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It is recommended that you use a gamepad that has been tested for
compatibility with LG projectors.
Sony DualShock 4, Sony DualShock 3, Microsoft Xbox 360 Controller, NVIDIA
SHIELD Controller, Logitech F310, Logitech F710
Connecting Bluetooth Input Devices
You can connect and use devices such as a Bluetooth-enabled keyboard, mouse, or a
gamepad with your projector.
For details, please refer to "[Connect Bluetooth Controller]" in "Managing External
Device Connections".
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