The Sonos Roam 2 Portable Bluetooth Speaker in Black is a high-quality, waterproof speaker with a sleek oval shape and a compact design. With a 2.0 channel system configuration and Dolby Digital surround sound, this speaker delivers powerful audio performance. It features smart home compatibility with Alexa, Bluetooth connectivity, and the ability to stream music. With a generous battery capacity of 5.85 mAh and an RMS power of 10 W, this speaker is perfect for on-the-go use and outdoor activities. The Sonos Roam 2 is a premium portable speaker that offers a great listening experience wherever you go.