The Brand New Zizo Boom Z7 Large Black Wireless Speaker is a portable speaker system with a 2.0 channel system configuration and rectangular shape. It is compatible with universal brands and models, and features wireless connectivity with Bluetooth audio input capabilities. The speaker has Alexa smart home compatibility and a manufacturer warranty of 1 year, with an RMS power of 30W, making it a powerful and versatile option for music lovers on-the-go.