cool Professional Wireless Logitech R400 Receiver PPT Presenter Red Laser Pointer New Check more at http://harmonisproduction.com/professional-wireless-logite…
Logitech R400 USB Wireless Presenter Red Laser Pointer PPT Remote Control Pointer pen for PowerPoint Presentation teaching - AliExpress
User manual Logitech R400 (English - 32 pages)
Logitech R400 user manual (English - 32 pages)
User manual Logitech R400 (English - 32 pages)
Logitech R400 Wireless Presenter Remote Control
logitech R400 Laser Presentation Remote User Guide
Logitech R400 Remote Presenter Setup on Mac and Troubleshooting on Mac - YouTube