The Logitech C-BT44 USB & PS/2 Wireless Mouse & Keyboard Receiver 831511-0000 is a device made by Logitech in China. This receiver is designed to allow for wireless connectivity between a mouse and keyboard, providing convenience and ease of use for users who prefer a wireless setup for their computer or tablet. The model C-BT44 ensures compatibility with various Logitech products, making it a versatile option for those looking to streamline their computing experience.