How to Pair Mouse & Keyboard with Logitech Unifying Receiver
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
Logitech LOST wireless receiver replacement 2018-2019 | how to fix logitech mouse and keybord - YouTube
Logitech K400r Wireless Touch Keyboard with Touchpad & USB Dongle - Tested | eBay
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