The Logitech USB Unifying Receiver dongle Model C-U0007 is a black wireless receiver specifically designed for Logitech devices. It offers USB connectivity for easy connection to your computer or tablet. This receiver has been tested and is ready for use, providing a reliable and efficient way to connect your mouse or other peripherals wirelessly. Made in China, this Logitech accessory ensures seamless integration with your computer or tablet for a smooth and convenient user experience.