The Genuine Bose Bluetooth Adapter 351474 is a WiFi unit designed for the Bose Wave Music System. This black adapter allows for Bluetooth connectivity, making it easy to stream audio from various devices. With digital optical TOSLINK audio outputs, this Bose product ensures high-quality sound transmission. Made in China, this adapter is part of the Bose product line, guaranteeing top-notch audio performance and compatibility with Bose speakers.