Amazon.com: Logitech 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 add a new keyboard or mouse to Logitech Unifying receiver - YouTube
Logitech M720 Triathlon Multi-Device Wireless Mouse, Bluetooth, USB Unifying Receiver, 1000 DPI, 8 Buttons, 2-Year Battery, Compatible with Laptop, PC, Mac, iPadOS - Black Mice - Newegg.com
Logitech M590 Multi-Device Silent Wireless Mouse
Logitech Slim Multi-Device Wireless Keyboard K585 - Rose | Dell USA
Amazon.com: DeLUX High Precision Wireless Mouse - Multi-Device, 2.4G USB Receiver & BT 5.0, 4000 DPI, 6 Buttons, LED Light, Rechargeable Optical Mouse for PC, Laptop, Tablet - M523DB (Black) : Electronics
Connecting a Logitech device to your Unifying Receiver (Windows and Mac) - YouTube