The XM Audio System allows users complete freedom to experience XM Satellite Radio programming in virtually any environment. The Audio System is designed to be compatible with your Delphi RoadyXT® or Audiovox Xpress® XM Satellite Radio receivers. With the integrated handle, water-resistant cover, and stylish looks, the Audio System is versatile enough to go from the poolside or boat to the kitchen. The Audio System operates on eight C-cell batteries or an AC adapter. RECEIVER NOT INCLUDED. Advantages: Compatible with Delphi Roady XT® or Audiovox Xpress® ; Integrated portable antenna; Weather Resistant ; Ergonomic design with integrated handle; Two-way speaker system; External headphone jack; Water resistant external volume controls; Wireless remote control