Logitech R400 Software, Driver, Manual, Setup, and Review
LOGITECH R400 QUICK START MANUAL Pdf Download | ManualsLib
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Amazon.com: Logitech R500s Laser Presentation Remote Clicker with Dual Connectivity Bluetooth or USB for Powerpoint, Keynote, Google Slides, Wireless Presenter - Black (Class 1 Laser) : Everything Else