Ask a Swiss: How to connect a non-Unifying Logitech keyboard & mouse to a new dongle
How to Pair logitech Mouse/Keyboard with Other non-Unifying Receiver (for PC) - YouTube
How to Pair a Logitech Mouse to a Windows PC or Mac
Amazon.com: Logitech M720 Triathalon Multi-Device Wireless Mouse – Easily Move Text, Images and Files Between 3 Windows and Apple Mac Computers Paired with Bluetooth or USB, Hyper-Fast Scrolling, Black : Electronics