The Bluetooth Special Interest Group (SIG) is an organization that oversees the development and promotion of the Bluetooth wireless technology standard. Founded in 1998, it consists of various member companies that collaborate to ensure Bluetooth technology remains efficient, secure, and widely adopted across devices. The SIG is responsible for defining the specifications and protocols that enable devices like smartphones, headphones, and smart home gadgets to communicate wirelessly. By fostering innovation and interoperability, the SIG helps create a seamless experience for users, allowing them to connect and share data easily across different platforms and devices.