Dual speakers with passive radiators. Customizable equalizer. Digital AM/FM processor with 10 station presets. Shock absorbing end caps. Metal speaker grills. Integrated handles. Weather sealed auxiliary compartment. 2.1A USB port to charge devices. 3.5mm Aux in port. Uses M18 battery or A/C outlet. Includes: M18 REDLITHIUM XC5.0 Extended Capacity Battery. Auxiliary cord.