Amazon.com: Logitech Unifying Receiver USB Dongle for Logitech M185 Wireless Mouse and Keyboard : Electronics
Logitech M190 Wireless Mouse - Full Size Curve Design
Amazon.com: New Logitech Unifying USB Receiver for keyboard K230 K250 K270 K320 K340 K350 K750 K800 : Electronics
How to Pair Logitech Mouse/Keyboard with a Different "Non-Unifying Receiver" - YouTube
Amazon.com: Logitech M510 Wireless Computer Mouse – Comfortable Shape with USB Unifying Receiver, with Back/Forward Buttons and Side-to-Side Scrolling, Dark Gray : Electronics
How to Sync a Logitech Wireless Mouse With a Different Receiver