What can someone do if they've lost the wireless USB connector to their Logitech keyboard and mouse? - Quora
Logitech LOST wireless receiver replacement 2018-2019 | how to fix logitech mouse and keybord - YouTube
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
Amazon.com: SummitLink Unifying Receiver for Mouse and Keyboard Compatible for Any Logitech Product That Display The Unifying Logo (Orange Star, Connects up to 6 Devices) B083J7DYDT : Electronics
No more lost Logitech keyboard receivers!!! - YouTube