The VIZIO SmartCast/Google Cast Crave 360 Multi-Room Gray Wireless Speaker SP50-D5 is a portable speaker system with a unique cube shape and a sleek gray color. It features a 2.1 Audio Channels/Intergrated Subwoofer system configuration and has a smart home compatibility with Google Cast and Vizio SmartCast. With a power output of 360W RMS, this speaker offers 360° omnidirectional sound for a immersive audio experience. It also includes features such as Bluetooth connectivity, a glass touch dial, wireless charging base, and a built-in lithium-ion battery with an 8-hour battery life. This versatile speaker is a great addition to any home entertainment setup.