The Marshall Stanmore III Bluetooth Wireless Speaker in black is a versatile portable speaker system that offers universal compatibility with various brands and models. With a sleek rectangular shape and Dolby Atmos surround sound, this speaker delivers powerful audio performance. The wireless Bluetooth connectivity allows for easy streaming from your devices, while the smart home compatibility with Google Assistant enhances your listening experience. Featuring a high-quality battery capacity of 2600 mAh, this speaker is perfect for on-the-go music enjoyment.