The DeWALT Worksite Radio features a USB power port that allows device to be charged via USB when radio is plugged into AC wall outlet. The radio also features a 3.5 mm aux. input that allows for connection to CD, MP3, portable satellite receivers, and other digital audio devices (aux cable included). The heavy-duty design with roll cage is ideal for tough jobsites. The device storage box protects digital audio devices from job-site debris and damage.