Logitech Unifying Receiver up to 11 Devices USB Dongle for Wireless Kb and Mouse | eBay
Logitech USB Unifying Receiver 910-005235 - New
What devices can I pair with my Logitech unifying receiver, other than a mouse and keyboard? - Quora
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
Amazon.com: New Logitech Unifying USB Receiver for Mouse MX M905 M950 M505 M510 M525 M305 M310 M315 M325 M345 M705 M215
What is Unifying? - Logitech
Logitech® USB Unifying Receiver, 2.4GHz Wireless Technology, Compatibl – AJMartPK
Logitech Unifying Receiver for Connecting Multiple Devices
Amazon.com: New Logitech Unifying USB Receiver for Mouse MX M905 M950 M505 M510 M525 M305 M310 M315 M325 M345 M705 M215