The new 2 in 1 Bluetooth Adapter RT-B6 is designed specifically for Bose Wave Music System II III IV AWRCC1, AWRCC2. This black adapter allows users to connect their devices wirelessly through Bluetooth, providing a seamless and convenient listening experience. With a compact design and a weight of 40g, it is easy to set up and use even for those who are not tech-savvy. This adapter enhances the capabilities of the Bose Wave Music System, making it a great addition to any home audio setup.