It's been years since USB-C became the standard. Where is the USB-C unifying receiver? : r/logitech
Logitech Unifying USB Empfänger Nano-Receiver für Maus und Tastatur NEUWARE | eBay
Genuine Tiny Unifying usb empfänger dongle Empfänger Dongle für Logitech Maus und Tastatur Können Verbinden Bis Zu Sechs (6) Geräte w/unifying Logo|usb mouse and keyboard|logitech usb keyboardusb mouse keyboard - AliExpress
Logitech Wireless Receivers
Pair Logitech Mouse to Original Non Unifying Receiver - YouTube