Atheros AR3012 is a Bluetooth 4.0 + HS (High Speed) wireless adapter that is used to provide Bluetooth connectivity for a range of devices, such as laptops, smartphones, tablets, and other computing devices. The AR3012 supports the latest Bluetooth 4.0 standard, which provides improved performance and energy efficiency compared to previous generations of Bluetooth. It also supports the HS (High Speed) feature, which allows for faster data transfer rates, making it suitable for applications that require high-speed data transfer, such as video and audio streaming. The AR3012 is designed to be compact and low power, making it well-suited for use in mobile devices where battery life and physical space are important considerations.