The Milwaukee M18/M12 Wireless Jobsite Speaker MWK-2891-20 is a portable speaker system with a 40W dual channel audio output. The cylinder-shaped speaker comes in a black and red color scheme, made of durable plastic material. With wireless connectivity and Bluetooth features, it allows for easy use on various job sites. The speaker also includes USB audio inputs and has a manufacturer warranty of 5 years for repair or replacement. With an item weight of 7 lbs, this speaker by Milwaukee is designed for heavy-duty use in demanding environments.