The Sonos Era 100 Black Smart Speaker is a high-quality audio device that offers a 2.1 channel system configuration with Dolby Atmos surround sound formats. With a sleek rectangular shape and a color of black, this smart speaker is compatible with Alexa for smart home integration. Made of plastic, this Sonos Era 100 model has a 5.5-inch driver size and provides 100W RMS power for immersive audio experience. The smart speaker also features Bluetooth connectivity and a 6000 mAh battery capacity, making it a versatile and powerful addition to any home audio setup.