Unifying Receiver Dongle for Logitech Keyboard And Mouse Six Compatible | eBay
1pc New Usb Receiver Wireless Dongle Receiver Usb Adapter For Logitech Mk270/mk260/mk220/mk345/mk240/m275/m210/m212/m150 Mouse - Mice & Keyboards Accessories - AliExpress
Logitech K270 Wireless Keyboard with Unifying Receiver
What devices can I pair with my Logitech unifying receiver, other than a mouse and keyboard? - Quora