Amazon.com: USB Receiver, 2.4 GHz Wireless Technology Portable USB Unifying Receiver USB Mouse Adapter for Logitech G903 for Lightspeed Wireless Mouse : Electronics
Logitech C-U0008 Unifying BlueTooth Receiver for Mouse and Keyboard 791398625585 | eBay
Amazon.com: Logitech Unifying Receiver USB Dongle for Logitech M185 Wireless Mouse and Keyboard : Electronics
✪ Usb Receiver Wireless Dongle Adapter for logitech G502 LIGHTSPEED Wireless Mouse - Walmart.com
Marcus Mengs on X: "Logitech Unifying receiver fake. Bought 3 cheap Unifying CU0008 receivers (TI chip). Turner out, they all are CU0007 (Nordic) with wrong label and ALL HAVE THE SAME S/N