Wireless Dongle Receiver Unifying USB Adapter for logitech Mouse Keyboard Connect 6 Device for MX M905 M950 M505 M510 M525 Etc|Mice| - AliExpress
Logitech Unifying Receiver for Connecting Multiple Devices
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
Wireless Dongle Receiver 6 Device USB Adapter for Logitech Mouse Keyboard Connect 6 Device for MX M905 M950 M505 M510 M525 Etc|AC/DC Adapters| - AliExpress
Logitech Craft Wireless Keyboard for Advanced Creativity & Productivity
What is Unifying? - Logitech
6mm Wireless Dongle Receiver Unifying Usb Adapter For Logitech Mouse Keyboard Connect 6 Device For Mx M905 M950 M505 M510 M525 - Mice & Keyboards Accessories - AliExpress
Logitech MK470 Slim Wireless Keyboard and Mouse Combo