Accessories in the context of computers and office environments encompass a wide range of products designed to enhance the functionality, usability, and experience of using computer systems. These products include items like keyboards, mice, USB hubs, webcams, and headphones. Each accessory serves a specific function; for example, keyboards and mice are input devices that allow users to interact with their computer, while webcams and headphones facilitate online communication. The main characteristics of these accessories include their ability to provide greater comfort, improved efficiency, and enhanced communication capabilities. They are typically designed to be plug-and-play, compatible with multiple devices, and user-friendly, making them essential tools in both home and office settings.