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A computer mouse, also known as a mouse or input device, is a compact, hand-held pointing and selection tool used in conjunction with a personal computer or laptop. It allows users to navigate through files and applications on their screen with ease and precision, enabling them to perform tasks such as scrolling, clicking, dragging and dropping items, and more. Computer mice come in various forms, including wired and wireless options, and can be connected to a computer via USB or Bluetooth technology. They are designed to fit comfortably in the user's hand and often feature programmable buttons for added functionality. Some computer mice also include advanced features such as adjustable DPI (dots per inch) settings, customizable weight systems, and ergonomic designs for extended use. Computer mice are a critical component of any modern computing setup, allowing users to interact with their devices in an intuitive and efficient manner. They are often sold as part of computer accessory kits or can be purchased separately to replace or upgrade an existing mouse. Whether used for gaming, graphic design, or everyday computing tasks, computer mice provide a reliable and accurate means of controlling the cursor on a computer screen.