Logitech Nano Receiver non-Unifying C-U0019 USB dongle for wireless mouse CU0019

Logitech Unifying USB Receiver for compatible Mice & Keyboards &FOC USB Extender

Logitech G PRO LIGHTSPEED Wireless USB Receiver Dongle (Universal -see photo)

Logitech Unifying Receiver mini nano CU0006 CU0007 USB dongle for wireless mouse

Logitech Unifying Receiver mini nano C-U0012 wireless mouse keyboard USB dongle

Logitech USB Wireless Mouse Receiver Nano Dongle C-U0010

Logitech Unifying USB Reciever for Mouse and Keyboard - New and Unused.