Four-way speakers and subwoofer projects sound in all directions. Moisture and dust-resistant (IP rating of 54). Aluminum and rubber roll cage protects against rugged job site conditions. Advanced digital tuning provides wide ranging reception. Other features include 20 FM/10 AM presets, 5 preset equalizer settings, separate bass and treble controls, battery/charger bay, AUX 1 in port (2) AUX in ports, line out port, powered USB (universal serial bus) port, SD (Secure Digital) card port, four-way power outlets, 12V DC (direct current) plug charges mobile phones. 6' cord. Includes 6" aux cable, (2) AA batteries. Lithium-ion battery (not included).