Re-Program your keyboard & mouse receiver with Logitech Connection Utility - YouTube
Replacing Your Wireless Mouse / Keyboard Receiver - ComeauSoftware.com
Connect multiple Logitech wireless devices using same USB receiver
Logitech Unifying Receiver for Connecting Multiple Devices
Is there a separate dongle for keyboard and mouse each or does 1 dongle work for both? - Quora
How to Connect Logitech Wireless Keyboard - Driver Easy
Connecting a Logitech device to your Unifying Receiver (Windows and Mac) - YouTube
How to Pair Logitech Mouse or Keyboard to USB Receiver - YouTube
Logitech MK120 USB Keyboard and Mouse Combo
Amazon.com: Logitech USB Unifying Receiver, 2.4 GHz Wireless Technology, USB Plug Compatible with all Logitech Unifying Devices like Wireless Mouse and Keyboard, PC / Mac / Laptop - Black : Electronics
Logitech Unifying receiver - Wikipedia
Amazon.in: Buy Logitech New Unifying USB Receiver for Mouse and Keyboard, (993-000596) Online at Low Prices in India | Logitech Reviews & Ratings