Logitech R400 Presenter Remote Control Black 910-001354 - Best Buy
Logitech R400 Wireless Presenter Remote Control
Logitech R400 Wireless Presenter Remote Control
How to disable the exit presentation button on a Logitec R400 wireless presenter - Macintosh How To
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Logitech® R400 Wireless Presenter
Logitech Presenter R800 And R400 Demo on Mac OS X - YouTube