SOLVED: USB for wireless Logitech keyboard lost. - Logitech Harmony Smart Keyboard - iFixit
Logitech MX Keys Wireless Keyboard 920-009295 B&H Photo Video
Logitech Slim Wireless Keyboard and Mouse Combo - Low Profile Compact Layout, Ultra Quiet Operation, 2.4 GHz USB Receiver with Plug and Play Connectivity, Long Battery Life, Graphite - Walmart.com
Is there a separate dongle for keyboard and mouse each or does 1 dongle work for both? - Quora