A Bluetooth adapter is a small device that allows electronic devices to communicate wirelessly using Bluetooth technology. It connects to devices like computers, speakers, or headphones, enabling them to send and receive data without the need for cables. This is especially useful for connecting older devices that may not have built-in Bluetooth capabilities. These adapters come in various forms, including USB dongles and internal cards. They are easy to install and typically require minimal setup. Once connected, users can enjoy the convenience of wireless audio streaming, file transfers, and other functionalities that Bluetooth offers.