The Anchor Audio ACL2-U4 is an Acclaim tabletop lectern with two built-in dual wireless mic receiver included. It is designed to provide crystal clear voice amplification from the built-in full range speaker. The Acclaim includes a built-in rechargeable battery that operates 6 - 8 hours or more on a full charge. Set it on a table or on top of the Acclaim base (sold separately) for various applications. When you're done, the ACL2-U4 Acclaim lectern folds up for easy transportation making it completely portable.