Portable Battery Powered Bluetooth Tailgate Speaker. USB Player with Remote Control. Metal Grill Covered Speakers. 15" Woofer. Inputs: Microphone Input. Guitar Input. RCA Input. RCA Output. AUX-In. 12V 7.5Ah. Rechargeable Battery. Battery life on half volume approximately 6 hours. AC 120/240V. Handle Bars and Wheels. Integrated 36mm pole mount socket. Cabinets can be stand-mounted but do require a large footprint tri-pod type stand. Silver.