The Bose SoundTouch Wireless Adapter WiFi Bluetooth 412451-SM2 is a black rectangular speaker system designed for use with home theater setups. It features wireless connectivity via Bluetooth, making it easy to connect to a variety of devices. Specifically designed for use with SoundTouch models, this adapter allows users to stream music and audio wirelessly from their devices for a seamless audio experience. Made of plastic and manufactured in Mexico, this adapter is an updated and tested product that promises high-quality sound performance.