The Logitech OEM Unifying USB Receiver is a black dongle designed for wireless mouse and keyboard connectivity. Specifically made for Logitech devices, this USB receiver allows for easy wireless connection to a PC. Originating from China, this receiver provides reliable wireless connectivity and is compatible with various Logitech products. Ideal for home networking and connectivity needs, this unifying receiver offers a convenient solution for seamlessly integrating wireless peripherals with your computer.