A USB camera is a type of digital camera that connects to a computer or other devices using a USB (Universal Serial Bus) cable. These cameras are commonly used for video conferencing, streaming, and capturing images. They are often plug-and-play, meaning they can be easily set up without needing additional software. USB cameras come in various styles and resolutions, making them suitable for different purposes. Some are designed for professional use, while others are more affordable for casual users. They can be used with various applications, including Zoom, Skype, and OBS Studio, enhancing communication and content creation.