Connecting a Logitech device to your Unifying Receiver (Windows and Mac) - YouTube
Wireless Dongle Receiver Unifying USB Adapter for logitech Mouse Keyboard Connect 6 Device for MX M905 M510 Keyboard K400|Wireless Adapter| - AliExpress
Genuine Tiny Unifying Usb Receiver Dongle For Logitech Mouse And Keyboard Can Connect Up To Six (6) Devices W/ Unifying Logo - Keyboards - AliExpress
Logitech USB Unifying Receiver Dongle for Mouse & Keyboard 910-005235 (5 Pack) - Walmart.com
Amazon.com: Logitech Unifying Receiver USB Dongle for Logitech M185 Wireless Mouse and Keyboard : Electronics
USB Unifying Receiver for Logitech Mouse and Keyboard 73257010740 | eBay
How to Connect a Logitech Wireless Mouse to a Unifying Receiver
Amazon.com: New Logitech Unifying USB Receiver for Mouse MX M905 M950 M505 M510 M525 M305 M310 M315 M325 M345 M705 M215 : Electronics
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
How to Connect a Logitech Wireless Mouse to a Unifying Receiver