Wireless Dongle Receiver Unifying USB Adapter for logitech Mouse Keyboard Connect 6 Device for MX M905 M510 Keyboard K400|Wireless Adapter| - AliExpress
What can someone do if they've lost the wireless USB connector to their Logitech keyboard and mouse? - Quora
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 USB Unifying Receiver Dongle for Mouse & Keyboard 910-005235 (5 Pack) - Walmart.com
Logitech Cordless Mouse and Keyboard Receiver #C-BO17 - used.
Logitech MK470 Slim Wireless Keyboard and Mouse Combo - Modern Compact Layout, Ultra Quiet, 2.4 GHz USB Receiver, Plug n' Play Connectivity, Compatible with Windows - Graphite
Logitech MK235 Keyboard and Mouse Combo - Wireless Receiver, 15 Function Key Keyboard, 2x AAA Battery (Keyboard), 1x AAA Battery (Mouse), 2.4 GHz - 920-007897 at TigerDirect.com
Free Shipping Original New Mouse And Keyboard Receiver For Logitech Mk270/mk260/mk220/mk240/mk345 - Mouse - AliExpress