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USB adapters are electronic devices used to connect computers and other digital devices such as tablets, smartphones, cameras, and microphone stands with USB ports to various other peripherals, networks, or power sources via different connection methods. They enable data transfer, charging, and device expansion by converting signals from one interface type to another, thus expanding the functionality of existing USB-enabled hardware. With their compact size and versatility, USB adapters are essential computer accessories for those who need to connect multiple devices or use legacy equipment with modern technology.