The Logitech C-UA4-DUAL Cordless Mouse and Keyboard Receiver Replacement P/N830782 is a black USB receiver specifically designed for Logitech products. Made in China, this receiver allows for connectivity between a mouse and keyboard without the need for cords. It is compatible with the Logitech C-UA4-DUAL model, providing a seamless solution for those looking to replace a lost or damaged receiver. This replacement part ensures users can continue to enjoy the convenience and functionality of their Logitech peripherals.